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 ...

Most diesel enthusiasts look for a way to test their latest modifications, and we’re no different. After bumping the engine’s injection timing up from 7 degrees to 27 degrees before top dead center ...

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 ...

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 ...