Find Edelbrock AVS2 Series Carburetors 1905 and get Free Shipping on Orders Over $99 at Summit Racing! Edelbrock AVS2 Series carburetors are the next generation of carburetors. From 1968 to 1971, Carter sold a carburetor named after its air-valve-actuated secondaries (the AVS, or “Air Valve Secondaries”) — which did allow owners to tune the time it took to open the secondaries. CK24 Carter AVS carburetor rebuild kit for 1966 Chevrolet 327 HP and Chevrolet marine applications. Even without a perfect tune, the annular booster's inherently better atomization helps soften fl at spots better than the typical down-leg can. Carburetor - Carter# 4429S - Casting Date - B-8 - AVS - 4 bbl - B - C - Body - 440 HP - Auto Trans - 1968 - USED Fits 1968 B body Dodge Coronet R/T, Charger R/T, Plymouth GTX, C body Plymouth Sport Fury, Dodge Polara, 500, Chrysler Newport, 300, New Yorker, Imperial applications with 440 V8 engine and automatic transmissions. Plus PLYMOUTH barracuda, cud, fury, beloved, roadrunner, satellite. Detailed Description: Fuel Pump to Carburetor Line Applications: A-Body: Barracuda: 1970-72 440 w/ Carter AVS, 4bbl, 2 piece set Dart: 1970-72 440 w/ Carter AVS, 4bbl, 2 piece set. My carburetor has a spring there instead. $30 each + shipping from 40165. The old Carter AVS's didn't have secondary venturi boosters, just brass tubes angled into the airstream. It was essentially a Carter AFB (likely “Aluminum Four Barrel” or “Aluminum Float Bowl”), but with vacuum-activated secondaries, to let owners tune the time it took before the power barrels kicked in; and numerous other design changes to increase responsiveness. Primary Menu Home; Carter Avs. How to Rebuild and Modify Carter/Edelbrock Carburetors features updates reflecting the emergence of Edelbrock carburetors as the predominant Carter-style carburetors in the market today. 69 70 MOPAR 440 Carter AVS Carb 4640 C9 Carburetor Charger GTX Coronet R/T - $249. at a great price!. Re: Carter AVS Lean Spot « Reply #11 on: February 29, 2020, 08:22:43 AM » Something else as well, quadrajetparts. carburetor. Not a replacement carb. 1969-71 carb kit 4 barrel carter avs dodge mopar 340" 383" & 440" ethanol tolrnt. will arrive in bulk packaging. I have 5 kits for sale, 2 are part #ck-5349, 3 are ck5435. It's basically a Carter AVS, but with the AFB 2 step metering rods and jets. The Carter AVS almost perfectly hit the peak muscle car years, appearing atop Chrysler engines from 1968 to 1971. The Rebuild and Powertune Carter/Edelbrock Carburetors how-to book provides rebuilding and high performance instructions and procedures for the AFB, AVS and TQ carb models. Carter Carburetor Corporation building in 2011 Carter Carburetor Company in St. Narrow Your Results. made in february. 44" throttle bores. Air Cleaner Gasket For Carter AFB AVS WCFB Carburetors - Buick Cadillac Chevrolet Chrysler Pontiac. Running changes are designated by 'SA', 'SB' and so on. His first, cast brass carburetor could meter and deliver fuel more accurately than many competing units. 286″- (1) Required – Air Cleaner to Carburetor stud for 1968-71 Carter AVS applications. No Results for "carter avs carb road" Similar to Carter Avs Carb Road on eBay. 1968 71 carter 4 barrel avs carburetor rh choke shaft lever mopar new. The WCFB carburetor which came on some of the earliest Corvettes continued in production through the mid-'60s. By removing the air cleaner and the top lid, the. Out of Stock : Add to Cart. We offer a variety of Carter Avs Carburetor for your automotive needs. 00 Carter AVS Carb #4028SA (1966 327/275 w/AT) Impala, Chevelle, Chevy II, February \'66 Date Code, Very Clean, For Parts or Rebuild, Additional Pictures Available. How to Rebuild and Modify Carter/Edelbrock Carburetors features updates reflecting the emergence of Edelbrock carburetors as the predominant Carter-style carburetors in the market today. 9755=750cfm. Made in February. Carter Carburetor Numerical Index. It is desired that the cylinder not be too lean or too rich, and that all the cylinders be the same fuel-air ratio throughout the engine rpm range. Carburetors and More. Rochester and Carter replacement parts are interchangeable. I suppose a thick gasket insulates the carburetor from some of the heat generated by the. The Carter AVS Carburetor Allpar. Carter AVS Carb #4028SA For Sale ('66 327/275 w/AT) Pass, Chevelle, Chevy II, February '66 Date Code, Very Clean, Pictures Available, $100. get genuine parts. In 1922 the American Car and Foundry manufactured the carburetor till 1984. I think the guy will want crazy money for it. No Results for "carter avs carb road" Similar to Carter Avs Carb Road on eBay. Carter Avs 4-barrel Carburetor Carb 4935s 1970 Plymouth Cuda 340 Automatic W Ac. Local pickup (2218 miles away) Posted 2 years ago in Auto parts. at a great price!. Edelbrock AVS Carburetors - Edelbrock's Thunder Series AVS A New Twist On Old Reliable. all afb, weber, performer and thunder series and as well as marine carburetors! comes with choke cap and gasket. Carburetor Type = Manufacturer - Barrel - Carb - Model Example: C-4-AVS = Carter 4-bbl, Air Valve Secondary The Mopar related information found in this section is believed to be accurate. The Y43 remanufactured four barrel Weber/Carter AFB/AVS marine carburetor comes with either an electric or hot air choke attached to the carburetor, or is setup for a manifold choke. get genuine parts. Federal Mogul made them till the early 1990s. performer / avs thunder / marine. AFBs had only 2 steps like the Edelbrock carbs so your diagram isn't completely accurate. Check these numbers carefully, as some of the AFBs used in the early 1970s used the same 4400 to 4970 numbering series. Be prepared to tune the carb, I had to replace the rods and jets in an Edelbrock AFB, but you may not have to. Rebuilt 1969 69 Carter Mopar Dodge Plymouth 383 4-bbl Avs Carburetor 4682s. Carter Afb 4-bbl Carburetor; Carter Avs 4-bbl. 1968-1972 Mopar Pump To Carb Carburetor Fuel Lines Line 340 Carter Avs 4bbl Oe. All Carter carburetor numbers are followed with the letter 'S'. 50 Carter Avs 4-barrel Carburetor Carb 4935s 1970 Plymouth Cuda 340 Automatic W Ac. I assume you're going to use mostly Edelbrock parts for the. 100% GUARANTEE! Shipped with delivery confirmation, if you’re not satisfied with purchase please return item for full refund. Carter also produced the first American four-barrel carburetor, used for Buick’s 1952 straight-eight, and followed by the WCFB on the 1955 Chrysler C300. 4 barrel AVS Carter carb. AVS stands for Air Valve Secondary. Topic: Pros and Cons: Holley vs Edelbrock (Carter) Carburetors? I like the AVS carter or Edelbrock, the air valve secondary makes it work on a variety of engines with less tuning. The Carter AFB carburetors are roll stamped with an identification marking at the right front base of the carburetor’s mounting ear. 1902 Remanufactured. Cars (US) » carter carb mopar. This Service Manual contains comprehensive instructions and procedures of high quality on how to fix the problems in your car, which can save you a lot of time and help you to decide the best with ease. Mopar 1968 440 Automatic AVS Carburetor Carter. ENGINE: CARB DATE: TRANS. What I found? Well it is a Carter AVS 4638 and from the information I have gathered it was used heavily on Mopars and some Chevys. New, Used and OEM Automotive Parts - Large Inventory - Great Prices. Similar to Hp Carter 4741s Avs on eBay. DETERMINE IF THE CLEARANCE IS EXCESSIVE!!!!! Not all carburetors use the same clearance. all afb, weber, performer and thunder series and as well as marine carburetors! comes with choke cap and gasket. Including GM TRI-CARB-J-2/L-69 Carter AFB/WCFB/YH Side Draft Tri-Carb/Power for 442 Corvette GTO *Also Including GMC Motorhomes and Marine Applications! OUR SERVICES. g1266 hot air passage gasket ( rubber ) id. All service parts for the AVS are available from Edelbrock along with new AVS carb assemblies. Sign up for our newsletter today. 1968 71 carter 4 barrel avs carburetor rh choke shaft lever mopar new. The Imperial Club has parts lists and repair manuals on the Carter WCD, WCBF, AFB, AVS and TQ carburetors in their Imperial Fuel System Repair Information Old manuals for Carter and other makes of carburetors are collected and published free at oldcarmanualproject. Edelbrock's Thunder Series AVS carburetors have basically just one gasket that's above the fuel level so fuel won't seep out of it over time and cause ugly stains on our intake manifolds. Download for offline reading, highlight, bookmark or take notes while you read Rebuild & Powetune Carter/Edelbrock Carburetors HP1555: Covers AFB, AVS and TQ Models. Carter AVS, 4 Barrel Carburetor The AVS carburetor is often mistaken for an AFB carburetor. Narrow Your Results. Now lightly seat the throttle shaft toward the indicator and read the deflection (clearance). New but may need to be cleaned & overhauled. The AVS2 Series is the next generation in Edelbrock carburetors. The Best ""Street Performance"" Carburetor Edelbrock engineers have made a great carburetor even better. Topics: 384 Posts: 1,971. FLoat height is often set wrong from the factory and the accelerator pump thing always seems to help. While some prefer the Holley for "ease of tuning", most agree that the Carters were just about trouble free, which no one ever claimed for a Holley 4160. 50 Carter Avs 4-barrel Carburetor Carb 4935s 1970 Plymouth Cuda 340 Automatic W Ac. It was founded by William Carter, who started experimenting with automotive carburetors while running a successful bicycle shop. at a great price!. It is a C4-AVS. Looking for K9 or L9 date code. Hemi carburetors by R. Automatic trans. carter afb avs high performance carburetor fuel filter gasket 10 pk. The stumble is most likely caused by a lean condition in the transition between the power mode and the cruise mode of your original Carter AVS carburetor (assuming that that is what is till on the car). Nos Carter Avs Nos Carter Avs Carburetor 4638s 1968 1969 Chrysle Dodge Plymouth 383 Engine. IN STOCK: REQUEST PRICE: Mopar: 4611: AVS: 1968: Carter: A8: All: Yes: Request: Mopar: 4623: AVS: 1968. Used (normal wear) 4 barrel carb I don't know the cfm I do know it came off of a 327 Chevy motor from the 60's others are going for 100 Give me a price I want it gone !!!!!. Although the earlier AFB was fitted to the Hemi, the AVS was a significant refinement of the AFB design. Virginia St. Loading Recent Vehicles. The Martin 4 -2 intake, they come in 3 or 4 bolt style. Sep 1, 2003. Narrow Your Results. Barracuda: 1967-72 383 w/Carter AVS (2 piece set) Dart: 1967-72 383 w/Carter AVS (2 piece set). Carburetor Manufacturer / Carter. 650 cfm AVS Carburetor Designed and calibrated for optimum street performance in small-block and some big-block engines. Unfollow avs carter carburetor to stop getting updates on your eBay Feed. It's basically a Carter AVS, but with the AFB 2 step metering rods and jets. The Carter AVS almost perfectly hit the peak muscle car years, appearing atop Chrysler engines from 1968 to 1971. MAKE: PART NO. carter afb avs high performance carburetor fuel filter gasket 10 pk. Dick has been rebuilding and manufacturing Carter Carburetors since 1974. Rochester 4GC (1956-1966 Chevrolet) and Q-Jet - Carter AFB - Edelbrock Performer & AVS - Holley 4150 / 4160 Please call us to discuss your exact application. Carter fuel system; 4BBL; Carb AVS. Aftermarket 4 Barrel Thick Carburetor Base Gasket for all 70-72 Vehicles using a Holley or Carter AVS Carburetors only. carter - afb, avs walker products inc. Carter fuel system; 4BBL; Type: C4; Carb Model: AVS. 00 Carter AVS Carb #4028SA (1966 327/275 w/AT) Impala, Chevelle, Chevy II, February \'66 Date Code, Very Clean, For Parts or Rebuild, Additional Pictures Available. View Details. If you have a race prepared carburetor select the MODIFIED setting. 1966 Chevrolet 327 and Marine Carter AVS carburetors; BBD. This Carter AVS was a remote choke AFB design carburetor. Been sitting in a closed dealership for many years. Carter Carburetor Corporation building in 2011 Carter Carburetor Company in St. 5:1 comp, Edelbrock Etec 170 heads, 234/238 @. The AVS will not have secondary boosters and there will be a spring loaded air valve located on the top of the sceondary air horn. I purchased a Carter AVS on ebay, got a really good deal, but i'm sure it needs a rebuild. 1971 Chrysler Dodge. Nos Carter 170-974 Choke Thermostat 1968-1969 Mopar 383 And 440 Wavs. If you have a Carter, count yourself lucky. Edelbrock AVS2 Carburetors 1905 1906. 1902 Remanufactured. With more than 300 close-up b&w photos, illustrations and diagrams, this guide will become your go-to reference for rebuilding, tuning and modifying Carter and. Carburetor kits, floats, choke pull offs, choke thermostats and more for American-made carburetors from 1932 to today - The Carburetor Doctor stocks over 1500 different parts for cars, trucks, tractors, industrial equipment and marine, as well as hundreds of new carburetors including top-quality, made-in-USA Zenith. VW Solex 61-74 28 Pict 1 2 30 PICT 1 34PICT3 Accelerator Pump. carter avs barrel carburetor mopar block chrysler plymouth big This item is a 100. AVS carburetors were factory-fitted by Chrysler in some of the most popular musclecars, from 383 Road Runners and Super Bees, to 340 Darts, Barracudas, and Dusters. i have a carter AFB competiton series carb that looks pretty much like a edelbrock that i rebuilt. Aftermarket 4 Barrel Thick Carburetor Base Gasket for all 70-72 Vehicles using a Holley or Carter AVS Carburetors only. Rebuild & Powetune Carter/Edelbrock Carburetors HP1555: Covers AFB, AVS and TQ Models for Street, Performance and Racing - Ebook written by Larry Shepard. I carefully sealed and bagged the problem carburetor to eliminate the evaporation of fuel until I had a change to study it at a later date. A carburetor is a fuel system component commonly found on older vehicles. com lists no less than 6 different sizes of leather-cupped pump plungers for oem AVS's. Federal Mogul made them till the early 1990s. 61 Rebuilt Carburetor 1942-1948 Plymouth Carter Bb Ball And Ball D6g1 42 46 47 48. Carburetor Fit. New, Used and OEM Automotive Parts - Large Inventory - Great Prices. The kit instructions (and a book I have) both show a linkage rod connecting the vaccum break to the choke shaft. The AVS has a spring operated secondary flab, no boosters, a 3-step metering rod. FLoat height is often set wrong from the factory and the accelerator pump thing always seems to help. Been sitting in a closed dealership for many years. at a great price!. Match with a variety of manifolds that include Edelbrock Performer, Performer EPS, Performer RPM, RPM Air-Gap, Torker II and other brands of similar design. Out of Stock : Add to Cart. Post your general questions or comments for the Pro Flo 4 system here. Post your general questions or comments for the Pro Flo 4 system here. Out of Stock : Add to Cart. Metering tip 5/8". 3l 4 bbl vin n 1971 dodge monaco 440 carter avs carburetor rebuild kit v8-440ci 7. Edelbrock AVS Carburetors - Edelbrock's Thunder Series AVS A New Twist On Old Reliable. Nos Mopar Carter avs carb rebuild kits. Nick's Garage 654,097 views. Tag: 1968 1968 1969 CARTER AVS CARBURETOR off CHRYSLER 340-383-413 V8's PT#180-4781. This book also features the history of Carter as well as the history of the AFB and the AVS since the purchase by Edelbrock. at a great price!. The Carter AVS Carburetor: Performance, 1968-71. edelbrock - afb - carter. Mopar 69 Six Pack Hemi Holley Carb Stud Dodge Plymouth Carter Afb Carburetor. 1966 Chevrolet 327 and Marine Carter AVS carburetors; BBD. The roll stamp identification first will display the carburetor. The numbers that are on it: 4028SA B6 0. Air Cleaner Gasket For Carter AFB AVS WCFB Carburetors - Buick Cadillac Chevrolet Chrysler Pontiac. Large Inventory of New, Used and OEM Automotive Parts at Great Prices Nos Carter Avs Carburetor 4638s 1968-1969 Chrysle-dodge. The Carter AFB carburetors are roll stamped with an identification marking at the right front base of the carburetor’s mounting ear. Not too rusty, Anybody have any experience with this device? What CFMs, usual applications, etc. At the front left of carb is stamped E8 4635S, from what info I can get about it, it seems that it is a 625 CFM and came originally on 340's. Also fits Marine Applications. Add to Cart. Here's a Carter AVS Carburetor made in USA. carburetor. Year Model/Eng Cyl Carburetor Make Carb Type Original Carburetor Number C6 Carter B&B E6F1-2 CZ, C8 Stromberg EX-32 A-17863 CZ, C8 Stromberg EXV-3 A-17763 C1, C9 Stromberg EX-32 A-17723 C2 Stromberg EE-22 A-17992 C3 Stromberg EE-22 A-18002 C7 Carter B&B … Continued. Re: Carter AVS Lean Spot « Reply #11 on: February 29, 2020, 08:22:43 AM » Something else as well, quadrajetparts. Core Deposit ($150. It's basically a Carter AVS, but with the AFB 2 step metering rods and jets. get genuine parts. For tunability and for horsepower making the Holley is the king. This carburetor was made by Carter , The Carter Carburetor Company started in 1909 till 1922. Keywords: Carter AVS Carb 4028SA Impala Bel-Air Chevelle ChevyII. With more than 300 close-up b&w photos, illustrations and diagrams, this guide will become your go-to reference for rebuilding, tuning and modifying Carter and. Carburetors; Rochester Mv 1-bbl. and i wanted to do this avs carb and try it. Hello gentleman! I have a 1970 Charger with a 383HP. Krautmaster, the Carter AVS had the 3-step metering rods as you said. View Details. This selection give a bit more modern approach to the size. AVS carbs were found mostly on Mopar applications from 1968-1971. 1970 Dodge 340ci Carter AVS Carburetor *Remanufactured. Having trouble with printouts coming out way too small, or pieces of a document printing acro ss sev eral page s?. The AVS2 is also more forgiving than the typical down-leg booster-equipped carburetor in many respects. VW Solex 61-74 28 Pict 1 2 30 PICT 1 34PICT3 Accelerator Pump. The WCFB carburetor which came on some of the earliest Corvettes continued in production through the mid-'60s. Carter AVS rebuild kit, made in the USA from high quality ethanol ready parts. at a great price!. 1902 Remanufactured. In 1972, Chrysler switched to the TQ for virtually all V-8 engine. i was wondering how are they, good??bad?? the have a different secondary setup that i havent seen before i'm running the AFB on my 1956 pontiac and it works not to bad. No booster venturies. The Carter AFB model introduced in 1957 began to eclipse the WCFB. It was fitted to Australian manufactured Ford vehicles fitted with V8 gasoline engines built between 1977 and 1982. Go to NAPA, ask for an inlet filter for a Carter 4 barrel carb off of something automotive that used these carburators. Rebuilt and restored, early production. Here's a Carter AVS Carburetor made in USA. it's off my old 1976 chevy truck, but the numbers indicate it's originally from a 1966 chevy 327. Condition is Used. 1 1/2" long. CARBURETOR OE NO. as the predominant Carter style carburetors in the market today. Still has the red I. This selection give a bit more modern approach to the size. the date code is the 0859. Carburetor Holley Nos Choke Avs, Carter Choke Holley Thermoquad, Nos Cup. 3l 4 bbl vin n 1971 dodge monaco 440 carter avs carburetor rebuild kit v8-440ci 7. I am working through my new to me 70 RR 383 4spd with N96. By Moparr Motor - Detroit (Nov 1992, Dec 2004, Dec 2010) The following information can be used as your guide to better understand the date codes that are applied to components used in the production of vehicles. all afb, weber, performer and thunder series and as well as marine carburetors! comes with choke cap and gasket. Has correct 1/4" Thickness for Proper Choke Clearance and Function on Vehicles using the Stock Intake Manifold, Carburetor and Choke Control. Chevrolet for sale Moneta, VA - $75. Nos Carter Avs Carburetor 4638s 1968-1969 Chrysle-dodge-plymouth 383 Engine. Holley fuel system; 4BBL; Carb 4160. Should I buy a 1969 AVS 4615s used and have it refurbished or go with a new aftermarket carb. Local pickup (2218 miles away) Posted 2 years ago in Auto parts. Engine starts and then dies, restarts and then dies. Re: Carter AVS 4640sa rebuild « Reply #15 on: October 16, 2013, 07:11:09 PM » Rebuilding the base of the carb, the needles/seats for the floats in the kit are for a different version of the carb so I didn't change them. 539" lift, Edelbrock RPM Air-Gap intake, TH350 trans w/ shift kit. THIS ONES NEW IN THE BOX! Check out my other items! Be sure to add me to your favorites list! These would look great on the back of your Vintage Corvette Camaro Nova Chevelle Yenko Deuce Baldwin Motion Nicky Harrel Mr Nroms Gand Spalding Supercharged Demon Dart 340 Roadrunner GTX Oldsmobile. Re: CARTER AVS question « Reply #14 on: June 28, 2013, 06:08:39 AM » If your fuel float level is incorrect, your carburetor will flood before the needle/seat assembly has a chance to shut fuel flow off. Believe the engine is stock. We offer a variety of Carter Avs Carburetor for your automotive needs. Rebuilt 1969 69 Carter Mopar Dodge Plymouth 383 4-bbl Avs Carburetor 4682s. AVSFind parts for the Carter AVS carburetor. The Carter carb was also primarily an original equipment Chrysler carb and the AVS version was used on some Cheverolet engines beginning in 1966. The AFB has a counter-weighted secondary flap, boosters, and a 2 step metering rod. Fuel distribution is the cylinder-to-cylinder variance in fuel-air ratio. 4638 ORIGINAL APPLICATION FOR 1969 3. JEGS Performance 6,456 views. This was eventually superseded by the AFB and the AVS. 95 1973 Dodge Plymouth. com The Carter AVS Carburetor: Performance, 1968-71. Federal Mogul made them till the early 1990s. This comes with the Gasket. Nos Buick 41 42 Compound Twin Dual Carburetor 528s Wcd Carter 2x2 Two Barrels. The AVS 4-barrel carburetor was designed and built by Carter and now Edelbrock. 1968 pontiac carter quadrajet carb #7028262 v8 carburetor early q jet model(US $125. Rebuilt the carb and ran it on a medium power (340 HP) 400 cubic inch Small Block Chevy for a few weeks. The carburetor you are exchanging must be the same type you are ordering. Carburetor Holley Nos Choke Avs, Carter Choke Holley Thermoquad, Nos Cup. Super Tuning and Modifying Carter Carburetors [Emanuel, Dave] on Amazon. 1902 Remanufactured Rochester Quadrajet Carburetor - 4mv - 1974-1978. Keywords: Carter AVS Carb 4028SA Impala Bel-Air Chevelle ChevyII. In 1922 the American Car and Foundry manufactured the carburetor till 1984. Chevrolet for sale Moneta, VA - $75. 3l 4 bbl vin h (gts) 1971 dodge monaco 383 carter avs carburetor rebuild kit v8-383ci 6. edelbrock - afb - carter. 9755=750cfm. Many times a Carter/Edelbrock only needs a cleaning to work good again and when they do need a rebuild they can be in shitty shape and they will still work. Champion Carburetor 70-71 MOPAR Carter AVS Carburetor, 4V, Remanufactured [CAG-C4-AVS] - Supply your carburetor to be professionally rebuilt or exchange it for a professionally rebuilt one. This is a rebuild of a Carter avs carb. This book also features the history of Carter as well as the history of the AFB and the AVS since the purchase by Edelbrock. Carter Carburetor #4bbl AFB / AVS - Kit and Parts. Brand: Carter Warranty: No Warranty. at a great price!. No Results for "carter avs carb road" Similar to Carter Avs Carb Road on eBay. Imperial Home Page-> Literature-> Articles-> AFB-AVS (Click on any small image to view a larger image. Carter Avs. All service parts for the AVS are available from Edelbrock along with new AVS carb assemblies. Carter fuel system; 4BBL; Type: C4; Carb Model: AVS. The AVS2 Carburetor is ideal for use with a wide variety of Small-Block and Big-Block engines. 9400=400cfm, 9500=500cfm, 9625=625cfm. performer / avs thunder / marine. The stumble is most likely caused by a lean condition in the transition between the power mode and the cruise mode of your original Carter AVS carburetor (assuming that that is what is till on the car). Champion Carburetor 70-71 MOPAR Carter AVS Carburetor, 4V, Remanufactured [CAG-C4-AVS] - Supply your carburetor to be professionally rebuilt or exchange it for a professionally rebuilt one. Carter Quadrajet 4-Barrel Carburetor. It's basically a Carter AVS, but with the AFB 2 step metering rods and jets. Avs Carter 4937s Rebuilt Carburetor With Live Video Testing. Carter Wcfb 4 Barrel Carb Corvette Dual Quad W Choke 6-1299 Top 0-049 Main Body. The new Eddy AVS carbs use the same style 2-step rods as their AFBs. Carter AVS used 3 step metering rods. Now, Holley EFI products power these cars and are dominating the performance world. I carefully sealed and bagged the problem carburetor to eliminate the evaporation of fuel until I had a change to study it at a later date. Match with a variety of manifolds that include Edelbrock Performer, Performer EPS, Performer RPM, RPM Air-Gap, Torker II and other brands of similar design. As Robert sezthat is because the "secondary" air valve is adjustable and makes that carb much more "tunable" without changing jetting. Carter AVS 6117S for 350 Q Carter AVS 6117S for 350 Q. Understanding Production Date Codes. N313 7010: $195. AUTOLINE {#4429S, 4618S, C4AVS} Carter 4 Barrel; Reman. Does anyone currently manufacture a carb that will fit the stock 1970 intake manifold? Will other AVS carbs, such as one from a 383 or 440 work on. Mopar Carburetor Guide 1963-1974: Mopar Carburetor Guide: 1963. 250+- Mopar - $20,000. I have a 383 stroker, 9. AUTOLINE {#4429S, 4618S, C4AVS} Carter 4 Barrel; Reman. carburetorsandmore. 1968 Firebird - $1,299. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. IN STOCK: REQUEST PRICE: Mopar: 4611: AVS: 1968: Carter: A8: All: Yes: Request: Mopar: 4623: AVS: 1968. performer / avs thunder / marine. Top deal of the day : Save up to 16% on carter afb carburetor sale bargains!. at a great price!. As pictured; two Carter Edelbrock Weber AFB AVS Carburetor Mixture Screws. It's basically a Carter AVS, but with the AFB 2 step metering rods and jets. Made in February. get genuine parts. Something like a 1969 or so Chrysler product, say a Road Runner, or an Imperial. 1969 1970 1971 Dodge Plymouth Rebuild Kit For Carter Avs Carburetor 383 400 440. These carbs are being sold as parts carburetors or cores for restoration purposes. Carter AVS rebuild kit, made in the USA from high quality ethanol ready parts. CK56 Carter AVS carburetor kit for 1968 Chrysler, Dodge, Plymouth. Carburetor - Carter# 4611SA - A - Body - Casting Date - E-9 - 4bbl AVS - 340 ci - Manual Trans - 1969 - USED Fits 1969 A body Dodge Dart, GT Sport, Plymouth 'Cuda 340, Valiant 340 models with manual 4 speed transmission. Carter fuel system; 4BBL; Type: C4; Carb Model: AVS. Carburetor Type = Manufacturer - Barrel - Carb - Model Example: C-4-AVS = Carter 4-bbl, Air Valve Secondary The Mopar related information found in this section is believed to be accurate. All Carter carburetor numbers are followed with the letter 'S'. VAPEX {Click Info Button for Alternate/OEM Part Numbers} Remanufactured. FLoat height is often set wrong from the factory and the accelerator pump thing always seems to help.   Phosphate finish with correctly formed thread lengths on each end. With more than 300 close-up b&w photos, illustrations and diagrams, this guide will become your go-to reference for rebuilding, tuning and modifying Carter and. The primary reason for the AVS design was to increase the airflow thro. Has the correct part. I got one screw out, but the other one is broken off inside. Other 4 barrel carburetors such as the Carter AVS, Carter TQ, Rochester 4GC, and Rochester Q-Jet have a tensioned secondary spring. The AVS2 Series is the next generation in Edelbrock carburetors. Nos Carter Avs Nos Carter Avs Carburetor 4638s 1968 1969 Chrysle Dodge Plymouth 383 Engine. Then go to our "How To Print Imperial Literature" page to learn how to print an item at the size you'd like. 1968 pontiac carter quadrajet carb #7028262 v8 carburetor early q jet model(US $125.   Phosphate finish with correctly formed thread lengths on each end. Metering tip 5/8". Our carburetor rebuild kits feature premium gaskets, ethanol resistant components and hi-flow needle and seats. carter carb mopar. We offer a plethora of Carter Avs Carburetor for your vehicle needs. UNITED REMAN. This carburetor was made by Carter , The Carter Carburetor Company started in 1909 till 1922. Throttle bore diameter should be 1. Nos Buick. You can discover automobiles available for sale on social networks, in your newspaper, and also particularly at your regional dealers. It replaced the older AFB carburetor. The AVS also uses a metering rod cover that is not flat like the AFB. Crown Automotive (5) AED Performance (1) Rugged Ridge (1) Year 1980 1979 1978 1977 1976 1975 1972 1971 1970 1969 1968 1967 1966 1965 1964 1963 1962 1961 1960 1959 1958 1957 1956 1955 1954 1953 1952 Make JEEP Model CJ3 CJ5 CJ5A CJ6 CJ6A CJ7. 53: Statesman: Carburetor NOTE: Carter 2V - WCD Tag # 2034S. 00 for diecast. Carter AVS 6117S for 350 Q Carter AVS 6117S for 350 Q. It's off my old 1976 Chevy truck, but the numbers indicate it's originally from a 1966 Chevy 327. Nos Buick. CK85 Carter AVS carburetor rebuild kit for 1969-1971 Chrysler, Dodge, Plymouth. Carter AVS 6117S for 350 Q Carter AVS 6117S for 350 Q. QUESTIONS? Call Hal (the owner) at (518) 374-5078: Carburetors -- Carter AVS Carburetor Picture. The Carter carb was also primarily an original equipment Chrysler carb and the AVS version was used on some Cheverolet engines beginning in 1966. I am working through my new to me 70 RR 383 4spd with N96. 4 barrel AVS Carter carb. Carter Carburetor Corporation building in 2011 Carter Carburetor Company in St. The Carter AVS almost perfectly hit the peak muscle car years, appearing atop Chrysler engines from 1968 to 1971. View Details. Re: Carter AVS idle issues « Reply #7 on: June 11, 2015, 10:01:38 PM » Figured it out, previous owner of this carb had removed the aluminum plug just above one of the 'Lower' air fuel screws (this carb has a screw up higher in the middle as well). The old Carter AVS's didn't have secondary venturi boosters, just brass tubes angled into the airstream. at a great price!. No Results for "carter avs carb road" Similar to Carter Avs Carb Road on eBay. Carburetor; Rochester M2me And E2me 2-bbl. NOTICE: Someone messaged me, asking about the idle mixture screws. AVS carburetors were factory-fitted by Chrysler in some of the most popular musclecars, from 383 Road Runners and Super Bees, to 340 Darts, Barracudas, and Dusters. Check these numbers carefully, as some of the AFBs used in the early 1970s used the same 4400 to 4970 numbering series. It replaced the older AFB carburetor. The Carter carb was also primarily an original equipment Chrysler carb and the AVS version was used on some Cheverolet engines beginning in 1966. i was wondering how are they, good??bad?? the have a different secondary setup that i havent seen before i'm running the AFB on my 1956 pontiac and it works not to bad. The AFB has a counter-weighted secondary flap, boosters, and a 2 step metering rod. PM me here on the board if you have one or know of one. Edelbrock AVS2 Carburetors 1905 1906. Mopar Avs, 2951544 Carburetor Carter $99. carter afb avs high performance carburetor fuel filter gasket 10 pk. Carburetor; Carter Yf 1-bbl Carburetor; Fuel Pump; Holley 4150 And 4160 4-bbl. Carburetors; Rochester 4gc 4-bbl. All service parts for the AVS are available from Edelbrock along with new AVS carb assemblies. Probably not very good at fuel atomization. performer / avs thunder / marine. Mopar F7 4401s Carter Avs Carburetor Carb Dodge Plymouth 383 440 1968 1989. 66-67 Mopar Pump To Carb Carburetor Fuel Lines 383 440 4bbl Carter 2pc Oem. Nos Carter Avs Nos Carter Avs Carburetor 4638s 1968 1969 Chrysle Dodge Plymouth 383 Engine. This book covers the Thermo-Quad, AFB, AVS and WCFB series carburetors. Having trouble with printouts coming out way too small, or pieces of a document printing acro ss sev eral page s?. Carb Parts Carter AFB / AVS - Mopar Carter AFB / AVS - Mopar : DP1277: 58-67: ACCELERATOR PUMP - AFB, WITH LONG LASTING ETHANOL RESISTANT FLUOROCARBON CUP / small bore pump well: 16. racingfuelsystems > Carburetors > Carter & Edelbrock, AFB. Carter 4616S Carter 4638S Carter 4615S Carter 4682S. "Dick" Katter. Designed and calibrated for optimum street performance in small-block and some big-block engines. Description Fuel inlet fitting for Edelbrock and Carter AFB and AVS Carburetors. The improvement was done by increasing airflow without increasing the carburetor. USED CARTER AVS carburetor 1969 Dodge Plymouth 440 V8 engine auto trans Chrysler - $177. Also fits Marine Applications. com Carburetors. Just for your information, Fred, the Carter AFB was used very successfully atop such immortal engines as the 409 Chevrolet (dual), 389 Pontiac (specifically those installed in GTO's) and Chrysler Hemi. 1902 Remanufactured Rochester Quadrajet Carburetor - 4mv - 1974-1978. I'm looking for other option. CARTER 2 BBL CARBURETOR 70-72 Dodge Truck & Chrysler Car 318 cid V-8. No Results for "carter avs carb road" Similar to Carter Avs Carb Road on eBay. Carburetor Type = Manufacturer - Barrel - Carb - Model Example: C-4-AVS = Carter 4-bbl, Air Valve Secondary The Mopar related information found in this section is believed to be accurate. Edelbrock's Thunder Series AVS carburetors have basically just one gasket that's above the fuel level so fuel won't seep out of it over time and cause ugly stains on our intake manifolds. The AVS will not have secondary boosters and there will be a spring loaded air valve located on the top of the sceondary air horn. Check out this used Carter AVS four barrel carburetor, for Dodge, Plymouth, or Chrysler product. From 1968 to 1971, Carter sold a carburetor named after its air-valve-actuated secondaries (the AVS, or "Air Valve Secondaries") — which did allow owners to tune the time it took to open the secondaries. all afb, weber, performer and thunder series and as well as marine carburetors! comes with choke cap and gasket. get genuine parts. Carter did not build a performance version of the AVS after OEM production in the 1971 model year. This book covers the Thermo-Quad, AFB, AVS and WCFB series carburetors. Post Sep 15, 2012 #1 2012-09-15T17:47. Crown Automotive (5) AED Performance (1) Rugged Ridge (1) Year 1980 1979 1978 1977 1976 1975 1972 1971 1970 1969 1968 1967 1966 1965 1964 1963 1962 1961 1960 1959 1958 1957 1956 1955 1954 1953 1952 Make JEEP Model CJ3 CJ5 CJ5A CJ6 CJ6A CJ7. 1 1/2" long. choke cap #47-474. CARTER THERMO-QUAD CARB & STRIP KIT - $85 (Longmont) Carter Thermo-Quad Carb 9094S 875 CFM. Author David Emanuel outlines carburetor types, gives a thorough look at carb selection and carb function, and offers detailed information on modifications, tuning, and rebuilding Carter/Edelbrock carburetors. Carburetor; Carter Yf 1-bbl Carburetor; Fuel Pump; Holley 4150 And 4160 4-bbl. Carter carburetors have been around since the early 1900s, appearing on Chrysler, Nash, Willys, Ford, Chevy, Olds, Pontiac and other makes. By Moparr Motor - Detroit (Nov 1992, Dec 2004, Dec 2010) The following information can be used as your guide to better understand the date codes that are applied to components used in the production of vehicles. Rochester and Carter replacement parts are interchangeable. Everything shown in the photo is included in the kit, additional parts may be purchased by choosing your carburetor type in our main catalog. Understanding Production Date Codes. Ball and Ball carburetors (BB) were often marked with an alphanumeric code, which was stamped on the airhorn of the carburetor. carter - afb, avs walker products inc. The original Carter AFB 9000 series had 4 basic models with part number cast in one of the front feet. Has correct 1/4" Thickness for Proper Choke Clearance and Function on Vehicles using the Stock Intake Manifold, Carburetor and Choke Control. Mopar F7 4401s Carter Avs Carburetor Carb Dodge Plymouth 383 440 1968 1989. I have a Carter AVS carb which I'm trying to build up for a future project: '67 Chevy K/10 [half ton 4 x 4] Suburban with a 454 engine. Have 2 carburetor's, one is a Eldelbrock, other is Carter AVS for a 70-71 Mopar 440 auto. The roll stamp identification first will display the carburetor. Buy online, pick up in-store in 30 minutes. Used (normal wear) 4 barrel carb I don't know the cfm I do know it came off of a 327 Chevy motor from the 60's others are going for 100 Give me a price I want it gone !!!!!. 150 cash plus your rebuildable Edelbrock Carter or aftermarket holley carb core. i was wondering how are they, good??bad?? the have a different secondary setup that i havent seen before i'm running the AFB on my 1956 pontiac and it works not to bad. CSI Automotive Sales, Service & Parts. As for the 361 2bbl in '66, I suspect it might have the Stromberg WWC3-___ 2bbl carb, but it could have the similar Carter BBD 2bbl. and i wanted to do this avs carb and try it. If you don't have a core please select the core charge. Founded by William Carter in 1909, the Carter Carburetor Company produced units such as the AVS, AFB and 385-CFM WCFB for dozens of years. The AVS was installed on many Mopar® V8s in the late 1960s and early 70s. Add to Cart. Although the earlier AFB was fitted to the Hemi, the AVS was a significant refinement of the AFB design. The AVS carburetor is often mistaken for an AFB carburetor. November 6, 2015 Carter Carburetors Carburetors. Nick's Garage 654,097 views. Subject: [Chrysler300] Carter AVS #4740S carb available for 1970 Chrysler 300 with 440TNT and California emisisons Should anyone on the listserver be interested, I have posted for sale on epay a Carter AVS 4740S which would have been the stock carb for the 1970 440 TNT and 300 Hurst with TorqueFlite, A/C and California E. HQ Automotive Service & Parts. New, Used and OEM Automotive Parts - Large Inventory - Great Prices. Just for your information, Fred, the Carter AFB was used very successfully atop such immortal engines as the 409 Chevrolet (dual), 389 Pontiac (specifically those installed in GTO's) and Chrysler Hemi. This is an avs Carter carb that is being tested on a running engine. Be prepared to tune the carb, I had to replace the rods and jets in an Edelbrock AFB, but you may not have to. And avs/thunder is a somewhat different animule from the more commonly used (based on cost) carter afb clone known as an edelbrock "performer". No Results for "carter avs carb road" Similar to Carter Avs Carb Road on eBay. Then go to our "How To Print Imperial Literature" page to learn how to print an item at the size you'd like. Mopar F7 4401s Carter Avs Carburetor Carb Dodge Plymouth 383 440 1968 1989. The Carburetor Doctor has a full line of Carter carburetor rebuild kits, floats, choke thermostats, parts and service manuals for 1, 2 and 4 barrels from 1927 to today. A lot of these older carburetors get gunked up in places like bleed vents. Filed under Carter Carburetor. Ball and Ball carburetors (BB) were often marked with an alphanumeric code, which was stamped on the airhorn of the carburetor. 1968 pontiac carter quadrajet carb #7028262 v8 carburetor early q jet model(US $125. This book also features the history of Carter as well as the history of the AFB and the AVS since the purchase by Edelbrock. Carter WCD, WGD, WD-0, WCFB series 0. Carter AVS Carb #4028SA For Sale ('66 327/275 w/AT) Pass, Chevelle, Chevy II, February '66 Date Code, Very Clean, Pictures Available, $100. 1902 Remanufactured Rochester Quadrajet Carburetor - 4mv - 1974-1978. The Best ""Street Performance"" Carburetor Edelbrock engineers have made a great carburetor even better. Carter AVS carbs appeared in 1966 on the 275 HP version of the Chevrolet 327, but were never again used on Chevies after that. CK85 Carter AVS carburetor rebuild kit for 1969-1971 Chrysler, Dodge, Plymouth. I'm looking for other option. At the front left of carb is stamped E8 4635S, from what info I can get about it, it seems that it is a 625 CFM and came originally on 340's. Gasket Carburetor Base Gasket - Holley 4bbl & Carter AFB / AVS 4-Hole 1-3/4" Bore 55 at Advance Auto Parts. Ball and Ball carburetors (BB) were often marked with an alphanumeric code, which was stamped on the airhorn of the carburetor. Here's a carter avs carburetor made in usa. 00) 3 misc new gm chevrolet rochester carburetor choke thermostats(US $19. - Duration: 4:34. If you have a Carter, count yourself lucky. Select a store to see pricing & availability. Carter AVS Carter Ball & Ball Carter Ball & Ball Industrial Carter Thermo-Quad Carter WCFB Carter WGD Ford 94 Ford 1100 Ford 4100 Ford 4300 Holley Six Pack: Holley 885FF Holley 4150 Holley 4160 Rochester Model B/BC Rochester 2G/2GC Rochester 4G/4GC Rochester Q-Jet (Quadra-Jet) Stromberg AAV Stromberg EE Stromberg WW & WWC Tillitson J2A 1 Barrel. Description Fuel inlet fitting for Edelbrock and Carter AFB and AVS Carburetors. 75 buy on ebay. That looks to be more of the AVS Carter than the AFB Carter, therefore, the other "Vent" tube BigBlockMopar Posted 2011-05-02 4:18 AM (#270739 - in reply to #270675) Subject: Re: Carter AFB Problems. The Martin 4 -2 intake, they come in 3 or 4 bolt style. Super Tuning and Modifying Carter Carburetors Rebuild & Powetune Carter/Edelbrock Carburetors HP1555: Covers AFB, AVS and TQ Models for Street, Performance and Racing Larry Shepard. Carter AVS used 3 step metering rods. Carter Avs 4-barrel Carburetor Carb 4935s 1970 Plymouth Cuda 340 Automatic W Ac Rx-0 Chevrolet - $550. 1973-1987 Chevy - $65. UNITED REMAN. An excellent reproduction of the carburetor linkage stud used on all late 1969-74 and 4-barrel Carter and Holley carburetors, including Six Pack. Gasket Performance Carburetor Base Gasket - 4-Hole - Skin Package. The stumble is most likely caused by a lean condition in the transition between the power mode and the cruise mode of your original Carter AVS carburetor (assuming that that is what is till on the car). Road 6319 Carburetor 1973 Runner Thermoquad Dodge Plymouth 340 340 6319 Runner Thermoquad Plymouth Carburetor Dodge Road 1973. Edelbrock Carter Carburetor Avs Afb 1427. AFB stands for "Aluminum Four Barrel" Carter started producing this carburetor in 1957 and were in use on new cars until 1971. carter 4966s 4737s 4741s avs carter carburetor $ 425. Carter did not build a performance version of the AVS after OEM production in the 1971 model year. The horrible performing AVS was retained on most other Chrysler engines. The following clearances may be used. It provides the necessary fuel-air ratio to produce optimal combustion and performance. 95 : 64599:. Nick's Garage 654,097 views. Carter AVS used 3 step metering rods. Used from 1966 thru 1971. performer / avs thunder / marine. DETERMINE IF THE CLEARANCE IS EXCESSIVE!!!!! Not all carburetors use the same clearance. While some prefer the Holley for "ease of tuning", most agree that the Carters were just about trouble free, which no one ever claimed for a Holley 4160. Carburetor - Carter# 4429S - Casting Date - B-8 - AVS - 4 bbl - B - C - Body - 440 HP - Auto Trans - 1968 - USED Fits 1968 B body Dodge Coronet R/T, Charger R/T, Plymouth GTX, C body Plymouth Sport Fury, Dodge Polara, 500, Chrysler Newport, 300, New Yorker, Imperial applications with 440 V8 engine and automatic transmissions. Rebuild & Powetune Carter/Edelbrock Carburetors HP1555: Covers AFB, AVS and TQ Models for Street, Performance and Racing - Ebook written by Larry Shepard. La Porte, TX 77571 832-221-4007 Reasons why we do not allow any one to drop off or pick up carburetors at our shop They steal stuff. No Results for "carter avs carb road" Similar to Carter Avs Carb Road on eBay. 1969 1970 1971 Dodge Plymouth Rebuild Kit For Carter Avs Carburetor 383 400 440. The kit instructions (and a book I have) both show a linkage rod connecting the vaccum break to the choke shaft. The new Eddy AVS carbs use the same style 2-step rods as their AFBs. Carter AVS Carburetor 1968 1969 440 Sign in to check out Check out as guest Watch list is full 1-year protection plan from SquareTrade - $65. You can buy a gallon of carburetor cleaner complete with a parts basket at your local parts store (or Auto Zone, anyway) for about $12. Replaces OEM Part # 2946543. Click for Part Prices. Get all the latest information on Walker Products, Inc. I understand Edelbrock now is marketing an AVS carburetor. the date code is the 0859. 098 Metering Jets Meter Jet 4 Barrel. If you do not have a core 200 sold outright. Fits Carter 4-Barrel Carburetors with 1-7/16 Inch Bore. Try one and see what everyone is raving about! The Edelbrock AVS2 Series features annular flow primary boosters with a new calibration for improved off idle and cruising. Rebuilt 1969 69 Carter Mopar Dodge Plymouth 383 4-bbl Avs Carburetor 4682s. Carter Carburetor Numerical Index. MODEL: YEAR: MANUFACT. K181 Carburetor for Kohler Carter 8hp K90 K91 K141 K160 K161 K181 4185302 4185308 4185308-S 4685301 4685301-S 4605303 4605303-S, K161 Carburetor. When Quadrajet carburetors have Carter's basic four-digit identification number before the letter S, the carburetors are aftermarket replacements. CARBURETOR OE NO. Going to start the engine later today for the first time. the date code is the 0859. rebuilding and fine tuning Carter and Edelbrock carburetors. No booster venturies. Have 2 carburetor's, one is a Eldelbrock, other is Carter AVS for a 70-71 Mopar 440 auto. Carburetors; Rochester 1me 1-bbl. THIS ONES NEW IN THE BOX! Check out my other items! Be sure to add me to your favorites list! These would look great on the back of your Vintage Corvette Camaro Nova Chevelle Yenko Deuce Baldwin Motion Nicky Harrel Mr Nroms Gand Spalding Supercharged Demon Dart 340 Roadrunner GTX Oldsmobile. A lot of these older carburetors get gunked up in places like bleed vents. No Results for "carter avs carb road" Similar to Carter Avs Carb Road on eBay. In today's world, you can choose from three major carburetor families: Holley, Demon, and Edelbrock. Nos Carter. It is desired that the cylinder not be too lean or too rich, and that all the cylinders be the same fuel-air ratio throughout the engine rpm range. The acronym AVS meant "air valve secondary". November 6, 2015 Carter Carburetors Carburetors. Basically, the first incarnation of the AVS was an attempt to place the "demand" spring tension secondary on the square-bore AFB style carburetor. 1973 Dodge Plymouth 340 Thermoquad Carburetor 6319 Road Runner. New but may need to be cleaned & overhauled. 539" lift, Edelbrock RPM Air-Gap intake, TH350 trans w/ shift kit. These should also be interchangeable with the old Carter AFB rods. Carter Avs Carburetor. UNITED REMAN. performer / avs thunder / marine. CARBURETOR OE NO. 1968 1969 CARTER AVS CARBURETOR off CHRYSLER 340-383-413 V8's PT#180-4781 Completely remanufactured All gaskets and seals replaced with new New base gasket included Fully restored. choke cap #47-474. Jacob De Barr (24) Share. Now lightly seat the throttle shaft toward the indicator and read the deflection (clearance). 1902 Remanufactured. It was modified to the 69 fresh air cleaner set up (oval vice round air cleaner) and has the 69 4638S Automatic AC AVS carb. Although the earlier AFB was fitted to the Hemi, the AVS was a significant refinement of the AFB design. Carter carburetors have been around since the early 1900s, appearing on Chrysler, Nash, Willys, Ford, Chevy, Olds, Pontiac and other makes. Filed under Carter Carburetor. Carter AVS carburetor dashpot and bracket assembly for 1968-1969 A-body models with 340, 383 and 440 engines with 4-speed M/T. Carter 4711S. The Carter AVS Carburetor: Performance, 1968-71. The AFB line was relatively small in the 350 to 550 cfm range which is why two or more carbs were often used on top of early V8 motors. The AVS will not have secondary boosters and there will be a spring loaded air valve located on the top of the sceondary air horn.