It's been a long road for our Project Dirt Modified Engine presented by World Products and Erson Cams. What began as a concept a little over a year ago is now a full-fledged, fire-breathing, power ...

Horse Sense: Any form of engine tuning is a bit of two steps forward, one step backward, but electronic tuning is especially free-form because there are so many possibilities. It's not a straight path ...

Given a choice between spending $500 for a day on the dyno and upgrading to a trick set of cylinder heads, most hot rodders on a budget would opt for the hardware. But a different view should be ...

We call it power stacking. It’s where a guy buys a bunch of bolt-on performance parts for his engine, each with its own rated power gain, and then he adds up all those listed gains and expects that as ...

Dynamometer tests are used to measure a car's torque and rpm response. But how do they get that information? And how reliable is what they get?

I Put my Mini V12 Gasoline Engine to the Ultimate test by bolting it to a Dyno to see once and for all how much Horsepower these little engines actually make. I First Built a Mini Engine Dynomometer ...

Are you ready for a junkyard engine swap for your Ford project? A Godzilla 7.3-liter V8 with a cam and intake upgrade is a ...