Engine & Exhaust

What’s the most-important property of a lubricant? Viscosity. Learn the difference between viscosity grade and viscosity index. Learn what all of those viscosity numbers and letters mean by listening to […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we examine ideal camshaft lobe separation for nitrous applications. D.M. Pitman, NJ Q: Can you […]

  Properly mounting engine driven accessories onto your LS V8 swap, may at first, seem much more difficult than anticipated. LS swap engine mounts, headers, and cross members, make it […]

In this Summit Racing Quick Flicks video, you will learn the basic differences between electric fuel pumps and mechanical fuel pumps. You will also find a few tips that could […]

The guys over a Power AutoMedia have launched a new site dedicated strictly to diesels and diesel owners. The site, named Diesel Army, includes tech, diesel features, diesel-related news, and […]

Proper piston-to-valve clearance is essential to the health of your engine. And by essential, we mean your powerplant could meet its catastrophic demise without the right clearance between these two vital […]

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 rebuilding a big block Chevrolet engine to […]

Watch this video to learn how to install Mishimoto’s specially designed Performance Aluminum Radiator on the 1994-96 Ford Mustang. Mishimoto designed a floating bracket system which eliminated a problem with […]

When it comes to sizing filter elements, bigger is always better. If you can squeeze a 14-inch diameter air cleaner base on your carbureted or throttle body EFI engine combination, […]

When it comes to properly tightening automotive fasteners, there are several methods you can use. The most accurate way is to use a stretch gauge to measure the overall stretch […]