1974 360 horsepower rating

Seth Jones said

New motor has KB 107 flat tops .003 in the hole, 9.9:1 calculated. Dwayne Porter prepped 587 heads (1.88's), Mr. Sixpack cam. Nothing special really.

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That 13.84 et in that with 3.55 gears is pretty impressive. I’m thinking of a few factory optioned 340 cars optioned with 3.91 gears that would be very competitive in that class.