358 Small Block Cylinder Head & Rocker Arm Upgrade - A Different World
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All buttoned up and ready for its retest, our big-headed small-block put on 16 more horsepower at peak-which happened 500 rpm later-while still averaging 4 hp more throughout the powerband. It paid off at the track, where Daeseleer piloted his enhanced Chevelle to a quarter run of 12.35 at 111 mph, three-tenths faster than before. You gotta like that! View Related Article
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