Tech

This much you know: A) you’ve upgraded your vehicle with a variety of aftermarket mods, and B) you want to get maximum power from those modifications. The question is how […]

Learn about roller and flat-tappet camshafts. Learn about the differences between drag racing and towing applications for choosing the best camshaft for your vehicle. Better understand the duration and lift […]

Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re decoding mysteries of the IROC-Z.   J.M. • Lake City, FL […]

You’ve been working on lowering your elapsed times all season—bumping up horsepower here, tweaking the suspension there, and practicing your tail off at test and tune night—when you hit that […]

Few parts are more synonymous with a classic American hot rod than the carburetor. Ironically, few parts are more misunderstood than the venerable carb, which still came equipped on some […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking pushrod length and how to measure it! J.L. • Florence, AZ Q: […]

What does high performance sound like? Depending on the muffler, the sound of high performance can be anything from a low, throaty growl to an ear-splitting roar—and everything in between. […]

We taught you the basics of bracket racing in a previous post. Now, we’re going to give you the next lesson—how to stage. There is more to staging than simply rolling […]

Let’s establish a few important things. Some of the most expensive stuff you can break on your quad is located in the undercarriage. If you’re not running hard enough or […]

Ah, the carburetor. For some guys, it’s a symbol of American automotive performance…a genuine hot rodder’s answer to the “evils” of modern fuel injection. For others, it’s a source of […]