66 shortblock with 67 heads? help please. - Pontiac GTO Forum
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post #1 of 1 (permalink) Old 05-23-2012, 06:05 AM Thread Starter
 
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66 shortblock with 67 heads? help please.

OK so I have a 66 389 and the heads went bad. Or were bad, not sure.
Anyway I have a set of 67 '143' heads, can I use them on my 66 engine?
I read that the valve angle was different in the 66 and 67 heads and I wasn't sure
How that would effect me using them, if it does.

Need help asap please, thank you.
-Steve-
Asuryan9 is offline  
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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, Lemans & GTO Complete Engine Compartment Discussion

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