Day: 2

Q: I have a 1981 Pontiac Firebird with a Chevy 350 in serious need of some more low-end power! It has a Holley Dominator manifold and a 750 cfm car, 305 heads, a .480”-lift cam, Hedman Hedders into a 3” Flowmaster exhaust, a Powertrax limited-slip differential with 3.73 gears, and a TH-350 tranny with 2,200-2,500

Editor’s Note: This is the second half of an article on how to interpret cam specs to select the right cam for your engine and vehicle needs. You can read the first half here: Comparing Camshafts: A History of Camshaft Specs and Choosing the Right Cam. … Most of us know the four strokes of an