In production since the '50s, Holley 4150/4160 carbs come in all shapes and sizes. Counterclockwise from bottom left: 3310-2 750 cfm 4160 is considered to be a "universal" carb, thanks to its ...

Why is the Holley carburetor the most popular fuel mixer among racers and the general public? Ultimate power production is one reason, but it's a lot easier to tune and work on a Holley than a Q-jet ...

ATV Carburetor Adjustment involves tuning your ATV’s carb for maximum performance. How do I know my jetting is off? My ATV bogs down a lot, is jetting to blame? I have performance parts, what now?

Holley has always offered vacuum-secondary performance carburetors in two versions--4150 models with replaceable jets in the secondaries, and 4160 models with a metering plate and no replaceable jets.

Have you ever wondered exactly what those articulating chunks of metal atop your intake manifold actually do? As a Gen Xer who was weaned on GM EFI systems, for years the inner workings of a ...