Search results for "fitech"

Got questions?  We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking about the merits of O-ring grooved Ford cylinder heads for high-horsepower nitrous […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we cover the difference between close ratio and wide ratio transmissions and provide casting […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re looking at ways to make over 400 horsepower from a small block Chevy […]

Q: I just finished rebuilding the 5.0L engine for my Fox Body Mustang. I made the following modifications: I am reusing the stock 19 pound/hour fuel injectors and electric fuel pump. […]

Setting suspension sag properly prior to making bike modifications is the most important thing you can do to ensure peak handling performance from your dirt bike. Too little sag, and […]

The LQ4 is a 6.0L LS (Gen. 3) small block engine used in GM trucks between 1999 and 2007. For marketing purposes, it was also known as the Vortec 6000. […]

Q: I own a First-Gen Pontiac GTO with a 1970 400ci engine swap, a two-speed automatic, and an open rear axle. I recently rebuilt the engine to stock specs, adding […]

Q: I have some questions about a torque converter for my engine combination. The car is a 1981 Malibu that weighs 3,500 pounds. It has a 388-cubic-inch small block with 11:1 […]

You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re diagnosing rough engine operation at highway speeds. H.R. Marshfield, WI Q: I have a […]

Produced from 1984 through 2001, the Jeep XJ Cherokee was a capable vehicle right from the factory. It came equipped with the 4.0L in-line EFI six-cylinder engine, a four-speed automatic transmission, a […]