How to Transform Your Holley 3310 into a More Aggressive-Looking 4150
If we had to pick one Holley carburetor to represent the entire history of Holley carburetors, we would choose the 3310. It is the ubiquitous carburetor. Originally created as a 780-cfm vacuum secondary, four-barrel, original-equipment carburetor on many GM big-block engines, this carb has evolved into the go-to standard for street performance.
This carburetor became so in demand that Holley
