How do I identify my Rochester 2 barrel?

How do I identify my Rochester 2 barrel?

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.

How does a Rochester Varajet work?

An electrically operated mixture control solenoid mounted in the air horn, controls air and fuel metered to the idle and main metering systems of the carburetor. The plunger located at the end of the solenoid is submerged in fuel in the fuel chamber of the float bowl.

What does the choke pull off do?

Pull-off or break: The pull-off is manifold vacuum-operated and is designed to open the choke plate slightly after the engine starts, to decrease the signal at the booster. It pulls the choke plate open against spring tension. Upon cooling, the spring contracts back into a tighter coil.

How do I know what Rochester carb I have?

All Rochester carburetors, including the Quadrajet, are identified by a 7-digit or 8-digit part number; the earliest units, made before mid-1968, had a round metal tag attached to the fuel bowl. The 7-digit part number ran around the outside edge of the tag.

Does Rochester still make carburetors?

When looking under the hood of most classic Chevy’s, odds are you are going to see some version of a Rochester carburetor. Although the manufacturer did not start their storied existence by manufacturing carburetors, their fuel-delivery offerings were — and still are, a mainstay with Chevrolet enthusiasts.

How many CFM is a Rochester 2G?

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.

What are the signs of bad carburetor?

Four Signs Your Carburetor Is Failing

• Engine Performance Reduction. As mentioned above, combustion starts and keeps your engine running.
• Black Exhaust Smoke. You shouldn’t see black smoke coming out of your exhaust pipe even if you drive a diesel.
• Engine Backfires or Overheats.
• Starting Difficulty.

What are choke thermostats for a Rochester 2G?

Our Rochester 2GC, 2 Jet choke parts catalog includes, choke thermostats, choke pull-offs (vacuum break). Rochester 2 jet chokes can be integral (attached to the carburetor), or divorced (mounted in the intake manifold). We carry choke thermostats for both types, although some divorced choke thermostats are not longer being produced.

Is the Rochester 2 jet choke integral or divorced?

Rochester 2 jet chokes can be integral (attached to the carburetor), or divorced (mounted in the intake manifold). We carry choke thermostats for both types, although some divorced choke thermostats are not longer being produced.

What are the parts of a Rochester 2GC?

COMPLETE NEW – N.O.S. Rochester 2GC – Front Inlet Air Horn with Hot Air Choke Housing – Includes all of these N.O.S. Parts – Choke Stat Cover – Vacuum Piston – Choke Shaft Drive Arm – Power Piston – Choke Rod – Choke Breaker – Fast Idle …

What are the different types of Rochester 2 jet?

Three Basic Types of Rochester 2 Jet 2G – Manual Choke 2GC – Automatic Choke 2GV – Divorced Choke (choke thermostat is mounted in the intake manifold) Tri-Power – The center carbs used on 1958 Cadillac, 1958 Chevrolet, 1957 and 1958 Oldsmobile, and 1957 and 1958 Pontiac used front fuel inlets.