Tech Articles

Gear reduction mini starters are common in the hot rod world, where high compression engines need all the help they can get to light off. Those of us with 4x4s […]

Banging gears with a manual transmission is fun—if your clutch is up to the abuse, that is. When it’s time to replace or upgrade your clutch, these two dozen tried […]

What screams “horsepower” more than a Roots-style supercharger poking out of a hood? Blowers produce big power gains, offer excellent throttle response with little or no lag, and newer models […]

The days of neon shock boots and four shocks per corner are gone. Now, nearly every application can be controlled with a single shock that is properly valved for the […]

They say timing is everything. But it’s particularly important when building your engine. Watch this Summit Racing Quick Flicks video and learn how to install a timing chain and gear […]

Jeep builds JK Wranglers with engine temperature and fuel level gauges, but provides warning lights—the infamous idiot lights—for oil pressure and battery voltage. Even back in the good old days […]

Which rocker arm mounting system is best for your application? You’ll find out by watching this five-minute Summit Racing Quick Flicks video. In it, the Summit Racing crew will explain […]

Positive crankcase ventilation (PCV) systems were created for a reason. These systems alleviate combustion pressure from an engine’s crankcase by using engine vacuum to suck the pressure out of the crankcase. […]

When stepping up to performance cylinder head gaskets, your first order of business will be choosing the gasket material best suited for your application. See our How to Choose the […]

You want more power. You know that for sure. What you don’t know is why your new headers—the headers you bought to help you get that extra power—just won’t fit […]