How to Adjust a Quadrajet?

Answer Back when it was introduced in the early 1960's, the Quadrajet was hailed as fuel delivery technology. The design was meant to help with maximum fuel economy as well as low exhaust emissions. Many ... Read More »

Top Q&A For: How to Adjust a Quadrajet

How to Adjust the Quadrajet Carburetor?

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 »

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 Adjust the Idle on a QuadraJet Carb?

The Rochester QuadraJet has been called the best device for carburetion ever invented. It has also been derided as difficult to maintain. The QuadraJet is a complicated carburetor, but it is this c... Read More »

How to Adjust Idle Screws on a Quadrajet Carb?

The idle screws on a Rochester Quadrajet carburetor fine tune the air-fuel ratio going into the engine during idle. The most common cause of rough idle quality in engines equipped with this carbure... Read More »