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We took this little 331ci small-block   out to Westech Performance, bolted it on the Super Flow dyno, and surprised everyone with a   solid 408 hp at   5,700 rpm and 400 lb-ft at 4,800 rpm.
The Iron Butterfly

We took this little 331ci small-block out to Westech Performance, bolted it on the Super Flow dyno, and surprised everyone with a solid 408 hp at 5,700 rpm and 400 lb-ft at 4,800 rpm.  View Related Article

 

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