A Few Simple Parts Swaps Allow Us To Finally Meet-And Surpass-The 600-Horsepower Goal Set For Our Homegrown Iron-Block Build Because it's been a few months since the last installment of this story ...

Way back in 2015, we performed the mother of all LS intake tests by running 20 different intakes designed for cathedral-port heads . That test included every cathedral-port intake we could get our ...

There are two specific variants of the L76, one for GM trucks and the other for sedans, and they feature several key performance differences. The 6.0L L76 engine debuted in the 2006 Holden Commodore, ...

For the past several months HOT ROD and Duttweiler Performance have been evaluating the performance potential of the widely available 6.0L LS-series truck engine. Beginning with a stock 355hp/396 ...