When we first heard about Machine Tech's Super-Gen 6-71 Roots supercharged LS1 crate motor, we knew a very important threshold had been crossed. It's not like Roots-blown crate motors are anything new ...

There are many relatively simple ways to add horsepower to your car's engine, such as installing a better intake, reprogramming the Electronic Control Unit, or swapping in a freer-flowing exhaust ...

Ron Strayhorn is an ambitious hot rodder. By day he's a mild-mannered executive running GM's western region service and parts operations, but when he's not on the clock, he's scheming new and more ...

Gearheads chase horsepower like it's a search for the Holy Grail. Anything and everything that can make a car go faster, we will try, including slapping an engine-driven air pump under the hood. Or, ...

Ever since the internal combustion engine became the weapon of choice (read: means of propulsion) in just about every automobile there's been an ongoing silent war carried between two different yet ...