In the first round of tests Scoggin Dickey Parts Center (SDPC) tested various popular camshafts in a worked over Hemi Hellcat Redeye engine. That camshaft test gave them a winner for those that just ...

Testing carburetors on an engine dyno can sometimes be misleading. We've all seen tests showing large-cfm carburetors making more power—even on a small engine that nobody in their right mind would run ...

The 2025 Chevrolet Corvette ZR1 arrives with a headline figure that would have sounded like fantasy a decade ago: a factory claim of 1,064 horsepower. That number alone would cement its status as a ...

Rotary engines have been around as a niche solution in cars since 1961, but were made famous in automotive culture by Mazda using the Wankel single triangle-shaped rotary piston design. Mazda used a ...