Engine knock or detonation is the leading cause of engine damage for most performance vehicles. It's an inconsistent and improper ignition of the mixture...
California’s SB 1069 lets experienced manufacturers seek conditional approval for tested aftermarket parts while CARB finishes its EO review. It does not legalize every modification.
LS1 cylinder head alignment dowels locate the heads accurately on the block before the fasteners are tightened. Learn where all four dowels install, how to seat them and why damaged or missing sleeves should never be ignored.