Tecumseh Racing's Jerry Romanick makes adjustments to their small-block MoPar test mule, while Thrush's Peter Roberts digs through the mounds of mufflers gathered for these evaluations. Traditionally, ...
Trick Flow designed the Twisted Wedge head with a 13-degree intake-valve angle along with the standard 23-degree exhaust-valve angle. Despite the intake-valve angle change, the head is a 100-percent ...
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