The Cummins Big Cam line of diesel engines were all about bringing big power efficiently and quickly, and over successive generations it got better and better.

In Mopar World, 505ci big-block stroker engines are among the most popular builds today, with seemingly boundless mild to wild combos available. You can build a 505 Chrysler for not much more than a ...

It's common knowledge that most modifications made to an engine involve a tradeoff somewhere in the overall equation. You might want a higher compression ratio, but the trade-off here is a need for ...

This short clip features a stunning classic Chevrolet Chevelle roaring with pure American muscle power. Equipped with an aggressive big camshaft, the vehicle produces an incredible and deep V8 exhaust ...

Regular readers know we often run several Xtreme Energy hydraulic-roller camshafts from Comp Cams on our 347 dyno mule. Besides running well, those cams are good choices for a test engine because many ...