How do I identify a Rochester 2 jet carburetor?

How do I identify a Rochester 2 jet carburetor?

All Rochester carburetors are identified by a seven- or eight-digit part number. The earliest units, made before mid-1968, had a triangular metal tag attached to the fuel bowl. The seven-digit part number is listed on the tag. You occasionally find original carburetors with an anodized tag of various colors.

What CFM is a Rochester 2 barrel?

The cfm (cubic feet per minute-a measure of how much air the carburetor can flow) on the Rochester 2G ranges from about 225 cfm in the smallest applications up to what Rochester calls a 435 cfm.

How do I know which Rochester carburetor I have?

All Rochester Quadrajet carburetors are identified by a seven- or eight-digit GM part number. On units made before mid-1968, the part number was stamped around the outside edge of a round metal tag attached to the fuel bowl.

How do I know what Rochester carb I have?

What CFM is a Rochester Quadrajet?

Quadrajets can range anywhere in between 600 and 800 CFM. Most are rated 750 CFM or higher.

How many CFM is a Rochester carburetor?

The computerized carburetor models were rated only at 600 CFM, (even though they are capable of running at 750) because the travel of the secondary air valves has been limited.

Are Rochester carburetors still made?

In 1995 Rochester became part of Delphi, which in turn became a separate company four years later, and continues to manufacture fuel injection systems in Rochester, now part of General Motors Automotive Components Holdings- Rochester Operations.

Is Rochester carburetor still in business?

Are Rochester Quadrajets any good?

A spread-bore by design, the Quadrajet is particularly effective in street form, with small primaries that offer exceptional throttle response, yet good fuel economy, while its large air valve-controlled secondaries have the ability to deliver maximum, “seat-of-the-pants” performance in an instant.

  • July 28, 2022