There is a long list of advantages when it comes to converting your small-block or big-block Chevy to a roller camshaft. Decades ago, only serious racers had roller camshafts, but now it’s a ...

It's not your good 'ol small-block, so pay attention. Setting up a new bump stick in Gen III and IV engines requires the same base tools we're familiar with and a few new tools too. We've all read the ...

For years, beltdriven timing drives have been the accepted standard in NASCAR Nextel Cup racing. The same holds true in the Busch Series and Truck Series as well as other top touring racing series.

A cam phaser is a sprocket which adjusts the position of an engine’s camshaft in relation to its crankshaft and is tuned with a computer-controlled servo. Camshafts control the timing of engine intake ...

Most modern variable valve-timing (VVT) systems use a cam phaser that rotates the position of each cam­shaft relative to the timing chain. Think of making a record turntable go faster or slower by ...

This diagram shows the major cam events through one full cylinder cycle (two crank revolutions or 720 degrees), beginning at TDC firing. The exhaust lobe and valvetrain is closer to the front, and ...