Congrats on finding a set of those heads. Considered about the best D port heads by a lot of guys.
With these numbers Wallace comes in at 9.51 CR. That is with 93.75 ccs, 350 6X heads with 1.66 valves had those numbers.
You are close enough to the max to leave the deck alone.
Do not put a small cam in it or you might ping.
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