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 ...

Back in the day, automotive engineers came up with all sorts of mechanical devices to keep your vehicle’s engine running at optimum efficiency. And those devices worked well — when they were properly ...

When the same motor is engine dyno tested and chassis dyno tested, a different tune is needed to produce the most efficient power. Once installed in the car, the vehicle's accessories, exhaust, and ...

How many years have you been tinker-tuning your Corvette only to have to keep popping the hood for more tweak-tuning? Can't quite get the carburetor in a proper state of tune? Rough running, misfire, ...

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 ...

A heavily modified Nissan R35 GTR is put to the test on the dyno to measure real power output. The session captures intense ...

A heavily modified Nissan R35 GTR is put to the test on the dyno to measure real power output. The session captures intense ...

"Dyno verified" can mean different things, depending on which dynamometer that car was rolling atop.

A heavily modified 2018 Ford Mustang GT named Honey Badger was putting down very impressive numbers on the dyno and at the drag strip until tragedy struck. It flew too close to the sun with ...