OK LS enthusiasts, here is a simple question about intake manifold design. What is more important: airflow or runner length? It’s obviously a trick question, as they are both important. Maybe a better ...

A few companies have recently ventured into the Coyote intake manifold market and when we saw Holley’s fabricated version, we had to test it. “The Coyote is obviously an innovative, new engine capable ...

Since the days of relieving flathead Fords, we've known about the advantage of porting. Grind those critical passages with the right touch, and airflow through the engine improves-and with more air ...

In case you had any doubts, Holley is serious about being in the intake manifold business. Their intent is to offer completely engineered induction systems that will produce proven results, and their ...