Last month HOT ROD, in conjunction with Duttweiler Engineering, began evaluating the performance potential of the widely available 6.0L LS-series truck engine. We were able to raise output from the ...

Looking for a badass head, but don't have a lot of bread? Bargain build aficionados, your prayers have been answered: GM Performance Parts now offers the cylinder head straight off its 6.2L (RPO L92) ...

I was advised to leave the engine combination as it was built, because each piece had been selected for its specific contribution to the whole. That was years ago, ancient really, in 2003. Arguably, ...