Search results for "fitech"

You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re recommending a parts combo to get 400+ […]

These fully integrated supercharger kits from Sprintex USA can squeeze as much as 54-percent more horsepower from your engine, depending on your particular application. Sprintex supercharger kits feature a twin-screw […]

Q: I have a question about engine compression. What would the following compression ratios be in terms of pounds per square inch (psi) of cylinder pressure? 8:1 compression 9:1 compression 10:1 […]

Q: The 350 engine in my 1990 Chevy truck needs a flexplate. Some guys tell me it’s internally balanced, while others say it’s externally balanced. I don’t know which flexplate to […]

Q: My ’72 C10 has a TH-700-R4 transmission. I want to run braided AN line to an aftermarket transmission cooler with -6 AN ports. What fittings will I need to adapt […]

Q: I’ve installed a set of steel roller-tip rocker arms on my Ford 302 engine. The cylinder heads are also equipped with aftermarket rocker arm studs and pushrod guideplates. Unfortunately, the […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re exploring possible causes for leak downs in Quadrajet carburetors. S.O. • Round O, […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re helping a reader find the source of mysterious white smoke.   J.M. • […]

Citing Pro Stock racing’s need to “evolve from a technological standpoint, yet reconnect with its roots,” NHRA has announced major changes to its factory hot rod class. The changes will take place […]

I have a 496ci big block Chevy that I built about five years ago that has been on the street the whole time. I don’t drag race it, but it […]