How to Adjust a Holley on a Cammed Motor?

Answer A cammed motor creates less vacuum pressure both during idle and acceleration. This is due to the longer duration of the cam compared to a stock cam. Stock cammed engines generally run around 16- t... Read More »

Top Q&A For: How to Adjust a Holley on a Cammed Motor

How to Adjust the Air on the Holley 650?

Adjusting the air on a Holley 650 will allow you to tune the air fuel mixture of the carburetor. This is needed when the engine is bogging or backfiring. Bogging occurs when too little air is intro... Read More »

How to Adjust a Holley 670?

One of the more unique Holley carburetors, the 670 (named for its 670 cubic feet per minute of air flow) is designed specifically for low-rider vehicles that pitch drastically to the left, right an... Read More »

How to Adjust a Holley Carb?

Adjusting a Holley carburetor is a job that can be done in just a few minutes. Occasionally, the adjustment screws on a Holley carburetor will loosen from engine vibration while it is running, caus... Read More »

How to Adjust a Holley Carburetor?

Holley carburetors are the most popular and trouble-free variety on the market. Because they consist of few moving parts, wear is not a big factor. Holley carburetors also have the reputation for b... Read More »