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 ...

Dyno tuning is a crucial process for optimizing a vehicle’s performance, yet it’s often misunderstood or overlooked by many car enthusiasts. Delving into what dyno tuning involves and why it’s ...

One of the keys to any engine development program, from Winston Cup to the Saturday- night racer, is the ability to effectively evaluate changes to the engine. The goal of any engine development ...

It's a story as old as hot rodding itself. It starts with the sales pitch-"Buy my widget and your engine will gain 50 hp"-and ends with a disappointed customer with a car that sure doesn't feel like ...

Anyone who has lived on a healthy diet of off-road and performance magazines has gotten a pretty good taste of the dyno process, even if it's just served on the printed page. It looks pretty exciting: ...

Even though experience is not a material item, it certainly must be considered a valuable 'tool.' By way of experience, good tuners generally know the cause and effect of changes, prior to making them ...

Horsepower is like good luck. It can't be seen, touched, or tasted, but you know when the inventory is low. How much do you have? Go measure it. The best place to put your luck to the yardstick is in ...

A year ago, the Toyota Supra made its highly anticipated return. In that year, we've tested, shaken it down at Virginia International Raceway for our annual Lightning Lap competition, and deemed it ...