Does Rochester still make carburetors?
In its stock form, the Rochester Quadrajet carburetor often gets a bad rap, but with a bit of work, it can be a very capable performer. The long-discontinued carburetor remains popular with performance rebuilders and tuners.
How do I know what Rochester carburetor 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.
How many jets are in a Quadrajet carburetor?
Qty: 2 Jets – Correctly profiled jets made specifically for the Rochester Quadrajet carburetor…see more.
What happens if main jet is too big?
Typical Lean Conditions: (A too-large main jet also mimics this symptom.) – The engine runs hot, knocks, pings and overheats. – The engine surges or hunts when cruising at part-throttle. – Popping or spitting through the carb occurs when the throttle is opened.
Are Rochester carburetors good?
A lot of good and bad has been written about the use of a Rochester Quadrajet carburetor as a replacement four-barrel. Some enthusiasts love them while others avoid them like the plague. The truth is, a properly tuned Quadrajet can be just as efficient and reliable as a bolt-on substitute performance carburetor.
Where are Rochester carburetors made?
It is the original home of the Rochester Products Division of General Motors and is well known for manufacturing the Rochester Carburetor….
|Location:||1000 Lexington Avenue Rochester, New York. 14606 United States|
|Facility Size:||1.78 million sq. ft. on 97 acres|
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.
Does Edelbrock make Quadrajet?
The latest news in Q-jet circles is that Edelbrock now makes a Performer original equipment (O.E.) replacement series carburetor for Q-jet applications. These spread-bore carbs are manufactured by Weber, USA, and are stock replacement parts for Chevrolet and GMC vehicles for which the Q-jet was available originally.
Who make Quadrajet carburetors?
Rochester Carburetor Division
The Quadrajet four-barrel carburetor was produced by the Rochester Carburetor Division of General Motors from 1965-’90. It was produced in many forms, including electronic-control from 1980-’90, for a wide variety of GM applications.
How do I know if my main jet is too rich?
If the pilot circuit is rich, the engine will have a rough idle or may not return to idle without “blipping” the throttle. You may also notice a distinct smell of raw fuel and some eye irritation from the exhaust.
What company makes Rochester carburetor?
Rochester Products Division. Rochester Products Division (RPD) was a division of General Motors that manufactured carburetors , and related components including emissions control devices and cruise control systems in Rochester, New York.
What is a Rochester carburetor?
The Rochester Products Division was a division of General Motors that manufactured carburetors and related components. The company is best known for the Quadrajet carburetor, which was originally designed in the 1960s and remained in production, with modifications to meet progressively tightening exhaust emission limits, into the 1980s.
What is a carburetor kit?
About Carburetor Kits. A carburetor kit is a set of parts that will allow you to repair certain damage to your carb, provided you have the equipment and experience working with cars to do it yourself. A Tecumseh carburetor kit, which is for the smaller engine of a mower or similar-size machine, contains all the bolts, screws,…
What is a carburetor gasket?
In a carbureted engine, the carb-to-manifold gasket is probably the second biggest potential air leak next to the manifold gasket itself. The carb gasket is responsible for providing that delicate boundary between where air is and where it shouldn’t be; a failure here can ruin your motor’s whole day.