The argument of if a diesel truck can be fast should be over. Derek Rose and his DNR Customs team proved that by shattering the 4x4 record.

This lightweight big-cube big-block Chevy keeps a traditional look but with lots of modern upgrades.

Designed to make streetable power, this 598-cube all-aluminum mill makes big power.

Jose Torres purchased a well known Toyota Starlet with the dream of bringing it back to life.

Torres rebuilt the Starlet into a formidable machine called "Cynthia Starr".

Picking a camshaft is more complicated than simply looking for the biggest grind in the catalog.

Ben Strader walks us through the process of choosing cam specs for the LS5.0.

Dave Rochau of Armageddon Turbo Systems has decided to embrace the junkyard LS trend and develop a turbo kit specifically for the market.

During R&D, you need to push the limits to know where they are.

In this video, the folks at Raybestos Powertrain show us a typical issue found with Ford’s 4R70W.

Watch Product Development Support Engineer Irvin Gers pull the pan on a transmission and get to work.

Breaking-in an engine is an important step in getting the most performance possible out of it.

Here's how to accomplish a solid break-in without an engine dyno.

Modern pistons have come a long way, with modern technology blurring the lines between the traditional choices.

Piston coatings can help alloys venture into areas where they were out of their depth previously.

Two distinct truths about drag racing; the better you get, the shorter the ride, and you’re always chasing the next weakest link in your push to go faster.

PME Engines is giving new life to used NASCAR race engines, but building them into killer naturally aspirated street/strip powerhouses.

At 2.4 hp/cube, these retired race components still make a potent mill.