It promised better power, reliability, and fuel economy. Sadly, though, virtually none of those promises were delivered.

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

Another day, another 2027 Corvette leak, this time pointing toward a major powertrain update for the 2027 C8 Stingray in the ...

An online community for late model GM V8 engine performance enthusiasts. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a ...