Mailbag: Leaning-Out a Holley 650 Double Pumper’s Rich Idle Fuel Mix
Q. I have a Chevy 350 engine with a Holley 650 double pumper and a COMP Cams Xtreme Energy camshaft in my street rod. I’m unable to get the idle […]
Carb Tuning Tips, Part 2: How to Overcome Common Tuning Problems
Engines produce vacuum, and over the past 120 years, engineers have contrived ingenious ways to harness its power to the engine’s induction system. Through a labyrinth of small-bore drillings in […]