Late 69 dated components - The Supercar Registry

12-26-2018, 11:27 PM

R68GTO R68GTO is offline

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Quote:

Originally Posted by WorkinProgress

There are two '291 head castings. The small block is 3917291 and a big block 3964291.

Not sure if your COPO engine would use the 3964291 or 3919840.

- Warren

Did not know that there was a small block 291 head....another day learning something! Several other COPOs from late September that I've seen or are known to be doc'd originals all had 291's. Mine has 840's on it now...March and May dates I think.

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