After getting our Windsor baseline, we installed the Cleveland heads on our 347 short-block.

We spun up the Clevor hybrid on the engine dyno to see if Cleveland heads still reign supreme.

Cleveland heads have always had an advantage over Windsor heads from the factory.

We find out, does that still hold true with today's aftermarket?

We've officially finished the bottom and top end of our Ultra Street engine.

Now its time to focus on the camshaft and valvetrain.

In a world of mail-order parts, horsepower is easy to obtain.

LME makes it easier with its complete supercharged L8T engine package.

The factory camshaft in Ford's Godzilla engine inhibits performance.

Now, COMP Cams has an arsenal of camshafts for the 7.3-liter gas engine.

This new coating from COMP Cams coating places an extremely wear-resistant surface on the lifter's contact face.

Titled Diamond-Like-Carbon (DLC) coating, it displays properties similar to diamonds.

FAST has released an all-new Big Mouth 102mm drive-by-wire electronic throttle body.

The electric motor and gears have been upgraded to avoid issues that plague other throttle bodies.