Mailbag: Diagnosing Excessive Coolant Temperatures
You’ve got questions. We’ve got the answers— the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re discussing high coolant temperatures at highway speeds. R.L. Derry, NH Q. I have a 1988 GMC K-1500 four-wheel-drive pickup. It has a 5.0L V8 and a five-speed transmission. The only major option is air conditioning. I have added
Major Changes Coming to NHRA Pro Stock…Are They Good or Bad?
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 in two phases, with the major changes taking effect on Jan. 1, 2016. At that time, NHRA will require all Pro Stock teams to: Equip
NHRA Wrap-Up: Torrence, Beckman, Morgan & Krawiec Conquer the Mountain
Steve Torrence raced to his first Top Fuel victory in more than two years Sunday at the Mopar Mile-High NHRA Nationals at Bandimere Speedway. Jack Beckman in Funny Car, Larry Morgan in Pro Stock, and Eddie Krawiec in Pro Stock Motorcycle were also victorious at the 14th of 24 events of the 2015 NHRA Mello
16-Volt Guide: 6 Things You Should Know About 16-Volt Batteries
For some racers, 12 volts just aren’t enough. Many drag racers and circle track racers have opted to run 16-volt batteries to give their ignition system and other components a boost. The extra voltage from these batteries creates a hotter spark, allowing you to run a larger spark plug gap and even jet up your carburetor. Combine




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