Quote:
Originally Posted by 63 bomb
Correct me if I'm wrong, but a V-8 flexplate won't bolt to the OHC engines... The bolt pattern is different if I'm not mistaken. That and the V-8's are externally balanced whereas the OHC's are internal.
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That's what I thought, too.
The flexplate that came with this engine is GM #9779070.
That is appraently the correct flexplate for Pontiac 65-74 V8 with THM400 transmission, so I figured it must not be correct for my OHC application.
But I also found a reference that shows it is correct for the OHC with ST300 trans, which is the transmission that came with this engine.
I'm currently looking for a 9782927 flexplate that was mentioned in the earlier posts, but this 9779070 flexplate definitely fits on the crankshaft.