Big Power, Small Dollars
With the addition of a Weiand 8-71 ’huffer, you’ll get an additional 40-50 percent gain in power. A big-block should make roughly 1.1 hp per cubic inch, give or take a few ponies. So on just the motor alone, our engine should make in the neighborhood of 480-500 hp. Our 620- and 694-blown hp figures were right on track.
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