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66 cyl head vs 550 head

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Erik H.

01-19-2003 04:45:18




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My 66 cyl head casting # is 180601, with small intake valves. Anyone know the diameter of valves in a 550/660 - casting 180603 ? Is it possible to have my head machined to accept the 550 valves, and is that the only difference between the heads ?




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66 puller

01-19-2003 15:00:57




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 Re: 66 cyl head vs 550 head in reply to Erik H., 01-19-2003 04:45:18  
My '49 66 has 660 valves in it, the previous owner had them fitted. Should be same as 550 valves.



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