Having tested endless aftermarket and ported stock LS cylinder heads for our sister titleHot Rod, it seemed odd that the stock stuff was never included. A test of the popular factory cylinder heads ...
Chevrolet took one heck of a chance by replacing its much loved small-block with the modern LS1 engine. The LS1 had big shoes to fill—after all, the original mouse motor was the darling of the racing ...
Chevy's small-block Vortec heads can be an engine builder's secret weapon, thanks to the improved flow and potential for ...
The question of the day seems to involve the difference between the original cathedral-port and modern rectangular-port LS heads. More specifically, which one is better? Were we to compare two sets of ...
Chances are you've heard of the Racing Head Service. Back in 1967, RHS started out life as a manufacturer of racing cylinder heads but soon grew into a full-service operation, offering turnkey engines ...
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