The Carter AFB carburetors are roll stamped with an identification marking at the right front base of the carburetor’s mounting ear. The top line of the roll stamp identification has the carburetor identification number.
What size is a Carter AFB carburetor?
The AFB carburetor is easy to distinguish by the round air horn at the top of the carburetor body. The first design AFB carburetors have a 4.5-inch diameter air cleaner base; a design used until 1961. The cfm (cubic feet per minute) of this carburetor is 500.
How does a Carter carburetor work?
Carter carburetor is a down-draught type carburetor. In Carter carburetor fuel or petrol enters into the chamber and air enters from the choke valve which is allocated at the top position. The choke valve keeps open during the normal running of the engine.
Is Carter carburetor still in business?
Carter Carburetor Company in St. Louis, Missouri, was established in 1909, and ceased operation in 1985. It was founded by William Carter, who started experimenting with automotive carburetors while running a successful bicycle shop.
What is a Carter AVS?
February 28, 2021. AFB carbs used a weighted secondary air valve. AVS Carter is a different carburetor (next evolution ) with similarities to the AFB. The AVS carb uses a spring calibrated ( adjustable ) secondary air valve similar to a quadrajet. This gave them more tuning capability.
What does AFB stand for on a carburetor?
aluminum four barrel
AFB stands for “aluminum four barrel” and this carburetor was used as original equipment on many OE performance engine options. In most cases, all of the dual-quad or triple-quad carburetor configurations that were factory installed from the late Fifties to early Seventies were Carter AFB carburetors.
How do you adjust a Carter AVS carburetor?
Connect the end of a vacuum gauge to the vacuum nipple on the carburetor. Locate the idle mixture screws at the base of the carburetor. Use a screwdriver to turn each screw clockwise until they gently seat. Unscrew them counterclockwise 1-1/2 turns for the initial adjustment.
What happened to Carter carburetors?
In 1984, with fuel injection having replaced carburetors on most cars, the plant closed. In 1985, American Car and Foundry shut down the entire Carter Carburetor foundry, a year later ceding the PCB-contaminated property to the City of St. Louis. The plant became an EPA Superfund site.
Where are Carter carburetors made?
St. Louis
Carter Carburetor Site in St. Louis, Missouri | US EPA.
What does AFB stand for on Carter carburetor?
In 1957, Carter started marketing the AFB series carburetor, and it quickly became a widely accepted standard for the automotive industry from the late Fifties into the late Sixties. AFB stands for “aluminum four barrel” and this carburetor was used as original equipment on many OE performance engine options.
