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Old Dec 24, 2006 | 01:02 AM
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Head gasket interchange

Since the 302 and 351 share cylinder heads, What about the head gaskets?? Do the interchange?? I am going to swap my 79 351 heads for 5.0 HO heads and I already have a pair of head gaskets for the 5.0 Id like to use them If I can...
 
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Old Dec 24, 2006 | 11:47 AM
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Yea, same gaskets for both. Just make sure you install them correctly. They'll go on either up or down, but they have a front and back. Put them on wrong and you'll have overheating issues. The long triangle shaped port at either end is a coolant passage, the gasket has one end open here, one closed. The closed end goes toward the front. The makes the coolant flow to the rear before going up into the heads. Put them on wrong and the coolant shortcuts up to the heads, you end up with hot coolant in the rear.
 

Last edited by baddad457; Dec 24, 2006 at 11:51 AM.
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Old Dec 24, 2006 | 12:49 PM
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Thats good that I dont have to buy more gaskets. Thanks for the tips, I got to get my E7TE heads done now so I can get some more HP out of the ol bronc
Merry Christmas!
 
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Old Dec 25, 2006 | 04:25 PM
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what about the head bolts 7/16 and 1/2.....and the locating pins on the corners are they different.
 
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Old Dec 25, 2006 | 11:23 PM
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Originally Posted by HemiEater
what about the head bolts 7/16 and 1/2.....and the locating pins on the corners are they different.
As far as I know the dowels are the same for small blocks. (221-400M)
 
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Old Dec 26, 2006 | 06:47 AM
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The 351 uses 1/2" cylinder head bolts.
 
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