Thread: How much can you over-bore a 389
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  #8  
Old 12-13-2002, 09:33 PM
khogan khogan is offline
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Join Date: Sep 2002
Location: Colorado
Posts: 60
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Since I'm working with '66 GTO heads, and '66 everything else for that matter, are '65 and '66 389 blocks the only years I can use? Or is any 389 block useable? Does it matter if it came out of a GTO , Catalina or something else?

Thanks
Ken

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