Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking valve spring pressure and how it affects valvetrain performance. C.K.• Somerville, OH Q: I have a 1967 Ford Bronco. Being the serious gearhead that I am, I want as much power as I can get …
Tag Archive: Camshafts
Dec 03 2012
Monday Mailbag: Rocker Arm Ratio…What Does it Mean?
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re covering rocker arm ratio and how it affects performance. S.B. • Atlanta, GA Q: I want to purchase a set of COMP Cams rocker arms for my 327-powered 1966 Chevy Nova. What is the difference between …
Jun 04 2012
Monday Mailbag: How to Freshen Up a Tired Powerplant
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re showing you how to give new life to a tired, old engine. J.S. • Saltillo, MS Q: My 1990 Chevy (C-Series) Silverado 350 Sport smokes at start-up and burns through oil. I’d like to rebuild it …
Feb 27 2012
Monday Mailbag: Building Quarter-Mile Power and Huffed 406 Strokers
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re helping customers build better track cars. From: John Baker, Sr. • Harrison, AR Q: I have a 1953 Chevy half-ton truck with a 283 at .030 overbore and .010 under rods and mains. I’m running early …
Jan 02 2012
How to Choose the Right Street Cam, Part 1
Not so long ago, the bigger is better philosophy reigned supreme regarding camshafts. The result was overcammed engines that sounded great and could crank serious top-end power, but were not very streetable and couldn’t idle to save their lives. But thanks to modern cam technology, you can come pretty darn close to the Holy Grail …

