289 head #id
Super Moderator
Joined: Apr 2004
Posts: 34,530
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289 heads:
7 C 1 probably means "March 1, 1967".
Is that the casting number off the head? Or the block?
Check this out, it's in the sticky at the top of this forum:
http://home1.gte.net/res03net/faqs/head.htm
Probably garden variety heads, press in studs, possibly a lump in the exhaust port and thermactor ports (?).
7 C 1 probably means "March 1, 1967".
Is that the casting number off the head? Or the block?
Check this out, it's in the sticky at the top of this forum:
http://home1.gte.net/res03net/faqs/head.htm
Probably garden variety heads, press in studs, possibly a lump in the exhaust port and thermactor ports (?).
Cargo Master
Joined: May 2007
Posts: 2,071
Likes: 36
From: British Columbia
Casting numbers
You gave us the casting number from the cylinder block, but the number is a little off. Check it again, it should be C5AE 6015 (?). Try to determine what the (?) is. It should be a letter.
The heads have their numbers underneath, so need to be removed to be read. Or if the intake manifold is off, a mirror can be used to read the casting numbers under the heads sometimes.
The heads have their numbers underneath, so need to be removed to be read. Or if the intake manifold is off, a mirror can be used to read the casting numbers under the heads sometimes.
Super Moderator
Joined: Apr 2004
Posts: 34,530
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I know you're trying to ID, but is there a reason other than curiosity? If you pull a valve cover and find pressed in studs, and there is no lump in the exhaust--or even if there is--garden variety. Not bad, usable, but nothing special. You can change them to screw-in studs and proper valve seals and have fine heads for many applications. Or run them like they are, just hold it to 5500 rpm or so....
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Senior User
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From: Little Falls,New York
Trying to find out if they are hipo heads.The block casting # matches the criteria,but I'm not able to pull the pan off yet.Where exactly is the casting number under the head?
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Cargo Master
Joined: Dec 2004
Posts: 2,232
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From: NE Texas
If they are hipo heads (not at all likely) they will have screw in studs. That said, screw in studs will not confirm that they're hipo, but the lack of screw in studs (likely) will prove that they're not.
