Open Chamber Heads on 69 L89 Corvettes?

03-14-2013, 08:35 PM

earntaz earntaz is offline

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Re: Open Chamber Heads on 69 L89 Corvettes?

Did not some of the 427s have the 063 head? These were the first attempt at the "open chamber" design -- if I remember right, they were about 100ccs and used the 13/16 plugs w/gaskets.

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