As you’re well aware, General Motors encrypts the mid-engine Corvette's ECU like there’s no tomorrow. That hasn’t stopped the aftermarket from modifying the Stingray with forced induction, and the ...

More. Hot-rodding is all about the quest for more, especially when it comes to horsepower. A while back we told you the tale of how Lingenfelter Performance figured out how to stroke the LT2 from the ...

I finally pulled the trigger on a $10,000 single turbo kit for my Mk4 Supra. The install wasn’t easy, and I was nervous about how it would drive. But once it hit boost, everything changed. The power ...

Before 1981, performance was simple. Auto manufacturers just created bigger engines, more cylinders, and louder exhausts like the Pontiac 7.5L V8 engine, used in models like the GTO, Firebird Trans Am ...

Introduced for the 2017 model year, the L5P is the Duramax V8 turbo diesel General Motors utilizes in heavy-duty pickups like the Silverado HD. Manufactured in the United States, the 6.6-liter turbo ...

Bolt-On Boost is back in 2001. The first time around in the August 2000 issue we featured 18 kits and had dyno tests on 11. While that's a .611 batting average, we plan to bat a thousand in 2001. In ...