I just bought a set of heads for $150. The casting numbers are 3917291 and 3890462. Does anyone know all the details on these heads. They were in great shape and are ready to bolt on.
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I just bought a set of heads for $150. The casting numbers are 3917291 and 3890462. Does anyone know all the details on these heads. They were in great shape and are ready to bolt on.
www.mortec.com
this link will help figure out casting #s
:confused: :confused: You have 2 different kind of heads there.Quote:
Originally posted by nicelysedated
I just bought a set of heads for $150. The casting numbers are 3917291 and 3890462. Does anyone know all the details on these heads. They were in great shape and are ready to bolt on.
3917291 came on 67-69 302s with 2.02/1.60 valves.
67-69 327 '' '' '' "
They also came on 68-69 350 with 1.94/1.50 valves.
3890462 came on 67 302-327 with 2.02/1.60 valves.
I feel sure the heads are vere simular, Hopefully you have same size valves in both heads.