We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...

Starting engine dynamometer pulls at low rpm is hard on the dyno and hard on the engine. Today, engine dynamometer testing is an integral part of many HOT ROD engine buildups and product tests.

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 ...

If you want to dyno test your tuner car, you can probably find a couple of good facilities in any nearby major city. If you want to do similar testing at a smaller scale, though, you might find it’s ...

A dyno test showed dangerously low oil levels can produce a 10 percent horsepower bump in an LS V8—for one run, at least. It’s Sunday, Sunday, Sunday, and do I have an offer for you! No, it’s not ...

After two years of teasers, the twin-turbo Demon 1700 has a final number, and it arrives only on the right fuel ...