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.

The infamous "Beer Money" finally outgrew its turbo 5.3-liter engine.

Now it's time for Pete Harrell to build an even more scrappy LS3 to shave weight and make more power.

Rebuilding the 427 LSX engine after a blown head gasket and replacing the F-1X with an F-1A-94 led to some interesting results on the dyno.

The smaller blower still made impressive power on the now-428-cube LSX.

Ever since they've hit the mainstream, the question has been, how do Total Seal's gas-ported piston rings compare to actual gas-ported pistons.

We find out in this back-to-back test with Lake Speed, Jr.

Selecting valvesprings can be a daunting task.

In order to choose the right ones, you've got to understand what they can (and can't) do.

There are a number of different materials camshafts are made from.

Comp Cams explains the differences and reasoning for each different material in its lineup.

The Horsepower Wars $10K Drag Shootout 2 comes down to a showdown at Lights Out 11.

Each of the four teams are ready win the $10,000 up for grabs in Georgia.

We want you to apply to star in the third season of Horsepower Wars $10K Drag Shootout.

$10K Drag Shootout tests the abilities of 4 teams to see who can build the fastest car possible in just 10 days.

The pattern left by your rocker tip on the tip of your valve can tell you how your valvetrain is performing, and warn of impending issues.

Zeke Urrutia of Ferrea Racing Components explains valve-tip patterns.

The SEMA Ignited 2019 Show invites car fans in Las Vegas area to see the best cars and trucks from the show.

Ticket prices announced are $20 for basic and $75 for a VIP pass.