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Jim Cimarolli 04-19-2013 12:15 PM
SBC Head Question
 
I have a pair of small block Chevy heads that I'm a bit confused about. The casting number is 3951598, but it has a 441 casted on the underside on the port, and a small X casted on the other port. Casting date is Nov. '69. Looks like they came off of a 400 sb because they have the steam holes drilled, and the holes look factory.
Anybody seen such an animal?

Steve Williams 04-19-2013 12:22 PM
Re: SBC Head Question
 
Yes. I had two sets. Both were 1970 400 heads.

JRyan 04-19-2013 01:55 PM
Re: SBC Head Question
 
And they probably have 1.6 exhaust valves.

Jerry

Jim Cimarolli 04-19-2013 02:28 PM
Re: SBC Head Question
 
Quote:
Originally Posted by JRyan (Post 378123)
And they probably have 1.6 exhaust valves.

Jerry
Darn sure do, I wouldn't have thought of that for $100.


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