Do the valve cover bolt holes break through on any of the 4 intake ports? If they do did you put sealer in the bolts? I saw that mentioned earlier but didn’t see any response
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'71 GTO, 406 CID, 60916, 1.65 HS, '69 #46 Heads 230CFM, 800CFM Q-jet, TH400, 12 Bolt 3.55
'72 Lemans, Lucerne Blue, WU2, T41, L78, M22, G80
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