Quote:
Originally Posted by Larry Hill
Very impressive run using that flat manifold that the 402 came with.
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The following is found on the NHRA blueprint page for 1970 Chevrolet...
"Intake Manifold 3933163 with an open plenum (divider cut down) is acceptable as of June 6,2002"
Of course we all know that is bogus but what can be said other than the tech department accepted a modified replacement intake.