A recently filed patent details a new GM cylinder deactivation system that appears to be heading to the next-gen V8 engines ...

GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...

After a decade away from street car competitions, five-time Drag Week winner Larry Larson is returning to the streets with ...

What Makes An Engine Better? Big Bore vs Long Stroke Bore and stroke cause differences in both power and efficiency. All ...

Sadly, Leyland Tractors was one of the marques that passed into history in the latter part of the last century, as consumer ...

Piston ring end gaps matter more than you think because they manage pressure and heat, preventing catastrophic failures ...

V10 engines disappeared from F1 a long time ago, but just because the world’s best drivers no longer get to experience the ...

Around 1990, it looked as though the Lotus was going to get the Chevrolet Corvette ZR-1's LT5 V8, which made 375 horsepower ...

The Abarth 600e is one of the firm’s latest go-faster electric vehicles, but how does it feel on the road? Jack Williams ...

GARDNER, Mass., Nov. 11, 2025 (GLOBE NEWSWIRE) -- Precision Optics Corporation, Inc. (NASDAQ: POCI), a leading designer and manufacturer of advanced optical instruments for the medical and ...