Search results for "fitech"

Every light duty modern diesel for the past two-plus decades has been forced induction, but there’s only so much your stock turbo can do. If you want more horsepower than the stock […]

Q: I have a 1991 Ford Mustang LX couple with a bone-stock 302. I’ve always thought about getting an 8.8-inch ring and pinion set for my Ford, but I’m having […]

Q: Why do I need to use antifreeze? … A: The fluid you use in your engine’s cooling system can affect its performance. For most vehicles, a 50/50 mixture of antifreeze and […]

Derived from its corporate cousin, the Ford Mustang, the Cougar debuted in 1967 and skewed more towards the performance luxury car segment—which was also heating up with cars like the […]

Maximize the capabilities of your high performance Holley carburetor by learning how to tune it for high-horsepower and racing applications. In this 38-minute video, a Summit Racing tech expert covers […]

Q: What is engine quench? … A: Quench is the distance between the top of the piston at TDC and the cylinder head surface. It is also called “squish” or […]

AN stands for Army-Navy. The size specifications were established by the U.S. military during World War II and were originally used in the aerospace industry. AN fittings use a 37-degree […]

“Roller lifters maintain better contact with cam lobes, allowing cam designers to create profiles with more midrange and top-end power than a flat-tappet cam with the same duration,” says two-time […]

I want to build a 350 Chevy with iron heads and a 10.0:1 compression ratio. Will that work on 91 octane pump premium fuel? H.C. Seemingly simple questions like this […]

After a thorough clean up and inspection of our 5.3 V8, it’s time to build it back up with a big, beautiful shopping cart full of new parts. Our work […]