Engine Mastersreturns with one of the age-old debates in the hot rodding world: should you run electronic fuel-injection or a carburetor on your V8? David Freiburger, Steve Dulcich, and Westech ...

As a longtime soapbox-shouter of tunnel-ram greatness, David Freiburger is constantly peppered with questions about running a single four-barrel carb versus dual quads on the tunnel ram. And finally, ...

I have a #4575 Holley Dominator carburetor, (1969/1970 circa), with rings pressed into the bottom of that carburetor which limits the throttle bores to 1 11/16". That carb WAS produced and sold in ...

The choke valve in an engine's carburetor, whether it's a Holley carburetor or another brand, helps a cold engine start by restricting some of the airflow into it. When the engine is cold, the choke ...

Hot intake air temps are bad, and cold IATs are good, right? But how bad is bad, and how good is good, especially in a boosted application? To find out, the guys explore the benefits of an air-to-air ...

Street-car turbo people, this one's for you. We all know that adding any sort of restrictor-like a muffler-is going to hurt power on a turbo motor. We also know that sometimes it just makes ...