Graph of the dyno pull from my 408 pump gas Cleveland with CHI heads. On this pull, it made 674.7hp @ 6800 and 575.7 ft lbs @ 5300.
Graph of the dyno pull from my 408 pump gas Cleveland with CHI heads. On this pull, it made 674.7hp @ 6800 and 575.7 ft lbs @ 5300.
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