[portfolio_slideshow id=32498] As cool as a lumpy camshaft may sound, nothing beats the noises that a turbocharged car makes. From the whistle of the turbo spooling up to the blow-off valve venting to the distinctly muffled exhaust note, there’s nothing like it anywhere else. Best of all, it’s extremely easy to amplify these sounds just
[portfolio_slideshow id=32476] Drum brakes have their place—just not on any kind of performance car that’s driven with enthusiasm. In our experience, drum brakes are good for one and perhaps two aggressive stomps on the brake pedal from speed and then, like Douglas MacArthur’s old soldier, they just fade away. That’s why Summit Racing offers an
Learn how to choose the best intake manifold for your LS engine swap by watching this Summit Racing Quick Flicks video. Your cylinder heads‘ intake port style, as well as whether your engine is carbureted or fuel-injected, will affect your decision. Watch the video now so you can make the best choice for your your
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re helping a reader build a couple of small blocks for his powerboat. B.J. Terre Haute, IN Q: I’m going to build a pair of engines for my 41-foot powerboat. Big blocks are too heavy and take up too much space,
We measure speed in miles per hour and torque in pounds for every foot of leverage, but what the heck is a “horsepower” and how is it quantified? Is it really the power of a horse? What would that horse be doing and for how long? I’m having a problem with this for years and
[portfolio_slideshow id=32297] Adding a winch to your 1984-2001 Jeep Cherokee XJ is a great upgrade that provides a means of recovery and enhances the appearance of the vehicle. Many Jeep XJ owners like bumpers with a slim design that mounts the winch low, so that it won’t block airflow to the vehicle’s radiator. But they
Cam swaps are one of the most common engine performance upgrades. Unfortunately, in GM’s Gen. III and Gen. IV LS engines, cam swaps come with an extra step or two thanks to the General’s fuel efficiency efforts (VVT and AFM). This video covers the steps you’ll need to take before upgrading to a larger aftermarket camshaft
What is Bump Steer? It is the term for when your wheels steer themselves without input from the steering wheel. It is caused by bumps in the road or track interacting with improper length or angle of your suspension or steering linkages. Most car builders design their cars so that the effects of bump steer
Since the dawn of front-wheel-drive automobiles, the front drive axles have become a weak link and are often in need of replacement on high-mileage vehicles. If you’re more familiar with rear-wheel-drive muscle machines, well, fear not as the CV axle replacement is fairly simple and something most any gearhead with a few years of wrenching
Setting suspension sag properly prior to making bike modifications is the most important thing you can do to ensure peak handling performance from your dirt bike. Too little sag, and your bike will be prone to topping out. Too much sag will have your bike bottoming out more frequently. It’s important because you need your
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