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Author Topic: 041 / 041x heads 1969 350  (Read 9759 times)

incom5633

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041 / 041x heads 1969 350
« on: March 21, 2006, 03:15:54 PM »
trying to find a correct set of heads for a 1969 ss350 auto. build date 02-19-69 , 388 tonawanda block hb . i was told i needed 041 heads. i find available 041 and 041x . what is the difference between these two and which are correct. 
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nuch_ss396

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Re: 041 / 041x heads 1969 350
« Reply #1 on: March 22, 2006, 11:44:00 PM »
"X" coded heads are reported to be experimental type heads.  I'm not into small blocks, but many here are.

Perhaps others can help you with what might be different about the "X' 041 head.

Steve
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69 SS 396, Hugger Orange, D/80, D/90
Chambered Exhaust, N/66, THM400, 3:73 posi

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JohnZ

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Re: 041 / 041x heads 1969 350
« Reply #2 on: March 23, 2006, 08:03:18 PM »
A friend who has spent his entire career at the Saginaw foundry says the "X" is meaningless - just a foundry marker - on all small-block heads except the 461's, where the 461X had a 15cc larger intake port.
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'69 Z/28
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incom5633

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Re: 041 / 041x heads 1969 350
« Reply #3 on: March 23, 2006, 09:53:18 PM »
THANKS FOR THE REPLY
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