How to Adjust the Quadrajet Carburetor?

Answer In the 1960s, the Rochester Quadrajet carburetor was first introduced, manufactured with four barrels instead of the traditional one or two barrels. Over time, carburetors become out of tune and c... Read More »

Top Q&A For: How to Adjust the Quadrajet Carburetor

How to Adjust the Idle on a Quadrajet Carburetor?

Introduced in the 1960s and still in production today, the four-barrel Quadrajet carburetor by Rochester has been used in many different General Motors vehicles over the years. Over time, it is com... Read More »

How to Rebuild a Quadrajet Carburetor 850 CFM?

The Quadrajet carburetor was made by the Rochester division of General Motors. It was standard equipment on many GM vehicles for over 25 years. The Quadrajet is a four-barrel carburetor with two sm... Read More »

How to Replace the Quadrajet Carburetor?

Quadrajet carburetors were made by the Rochester Products Division of General Motors until 1990. These carburetors have a mixed history. On one hand they are regarded as one of the best performing ... Read More »

Installation Instructions for a Quadrajet Carburetor?

The Rochester Quadrajet is a carburetor with both efficiency and performance built into one unit. Its name derives from the four throttle bores and venturi the carburetor has: two small bores for e... Read More »