Back before PCV valves were standard lexicon among hot rodders, venting a motor was oftentimes a simple matter of letting the crankcase vent to the atmosphere via either a road draft tube or a ...
In most tests on engines up to 6,500 rpm, a modern high-rise dual-plane intake like this Chevrolet Performance example on a Chevy 350 generates the best overall average torque and power numbers ...
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