General Motors is quietly rewriting the rulebook on its flagship truck engine, and the fix […] ...
GM says not to use Mobil 1 Supercar oil, but a different brand of Mobil 1 designed for more average vehicles.
There’s nothing new about reinforcing a stock V-8 engine’s internals to handle more power. Aftermarket forged crankshafts, rods, and pistons have been around forever. If you know exactly what to look ...