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 to get from point A to point B. One possible answer is to swap out your stock fuel injectors for larger, higher flowing aftermarket injectors.
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 numbers for your ride. Hear why a mild camshaft is most likely the right choice for you. All by watching this Summit Racing Quick Flicks
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 Q: I have a 1988 Chevy Camaro IROC-Z with TPI. It has a four-speed automatic transmission with overdrive. I want to rebuild the transmission because
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 proverbial brick wall. No matter what you do, your ETs won’t budge. What do you do? Try a rear axle gear swap. Changing the gear
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 vehicle models as late as the 1990s. The carburetor, which is essentially an air pump that feeds your engine with air and fuel, remains a
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: I’m about to upgrade my 1969 El Camino’s valvetrain. However, I don’t want to go through the hassle of measuring the length for the pushrods.
[portfolio_slideshow id=5639] 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. The ideal muffler will deliver just the right growl, roar, or rumble to back up your vehicle’s performance and appearance. That’s why it’s
[portfolio_slideshow id=5537] 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 your car up to the starting line and taking off. There are staging techniques and tricks that will help you maximize elapsed times
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 in terrain where you need to be worried about protecting those components, then you’re probably doing it wrong. Protecting those parts is simple. Not cheap,
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 great intimidation and frustration. But it doesn’t have to be. With help from the tech experts at Summit Racing, we’re sharing some typical cures to
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