How do I know what Autolite carburetor I have?
The easiest way to identify which Autolite unit you have is by the aluminum tag mounted to one of the top air-horn screws. Ford numbers are six-digit and can be very revealing as to the carburetor’s history. The first digit is a letter, which indicates the decade.
What was cfm of Autolite 4300 carburetor?
See all 25 photos The Autolite/Motorcraft 4300 four-barrel carburetor arrived in the 1967 model year as a 441-cfm atomizer. The 4300 was developed primarily for cleaner emissions and to some degree of fuel economy, but it did neither.
What kind of carburetor do I have?
It’s like a “VIN” for your carburetor and should be hand-stamped on the front of the choke tower to the right of the vent tube on most typical Holley carbs. The list number typically is four to six digits long and may or may not have a suffix number behind it.
How do I know if my autolite carb is 1100?
Autolite 1100 carburetor identification is done by examining the base plate and searching for numbers. Look for the Ford part number for initial identification. Prior to ’67, 1100 carburetors had one accelerator pump diaphragm.
What kind of carburetor does Autolite make?
Autolite 2100 carburetors were made from 1953 to 1973. They are a synchronous two venturi (barrel) design, meaning both venturii operate together. There are eight different sizes ranging from 190 cfm to 424 cfm. They are available with manual, electric, or automatic hot-air chokes.
What year did Ford stop using Autolite 4100’s?
The Autolite 4100 was used on 289’s, 352’s, 390’s and 428’s until 1966 and on a few 428’s through 1968 ( virtually all Ford cars of the late 50’s, and mid 60’s that had 4V carbs from the Factory had Autoite 4100’s. The Autolite 4300 ( latter to become the Motor craft 4350) replaced the 4100 in 1967 due to increased emissions requirements.
Can you move the secondary linkage on a 4100 carburetor?
On the 4100 Autolite carburetor that when the engine is off, you can move the secondary linkage real easy. When the engine is running the secondary linkage is hard to move.
When did the Ford 4300 carburetor come out?
The first version of this carburetor was released in 1967, replacing the 4100 on all Fords excluding the police package 428 CID and 289 CID high-output engines. The 441 CFM carburetor was found to run too lean for the 390 CID engines; hence, the 600 CFM 4300A was developed the following year for these larger applications.