Farmall M head gasket question

Anonymous-0 · Jun 20, 2012

Got a 450 lp head that I am think about putting on a stock bore M but was wonder what size head gasket I need to use to put it to together or is it even possible.

The Red · Jun 20, 2012

I really doubt the head sizes between the M and the 450LP are the same.

sflem849 · Jun 20, 2012

(quoted from post at 15:22:27 06/20/12) I really doubt the head sizes between the M and the 450LP are the same.

IIRC they are. It is a common pulling trick.

rhtx55 · Jun 20, 2012

Test both head gaskets ( M & 450LP) for openings to all water passages both in the block & the head, and the seal around the sleeves !!
Perhaps someone on the pulling forum has more experience as to which gasket part number will work for this head swap.
I know it can be and has been done, I just don't have the part number handy. I know one will work & others won't, just double (even triple)check before you set the head down.

Too Far Gone · Jun 20, 2012

Its the same gasket for all of them.The only thing I know some guys do is to use a thinner special made copper head gasket to gain a little more compression too.

Earl-IL · Jun 20, 2012

My old M&W book says to use Victor gasket # 3149 on any bore over 4.125. Earl

Anonymous-0 · Jun 20, 2012

Stock M bore is only 3.875 I just want to know if the stock M gasket will seal and work with the 450 lp head.

sflem849 · Jun 20, 2012

(quoted from post at 16:49:26 06/20/12) Its the same gasket for all of them.The only thing I know some guys do is to use a thinner special made copper head gasket to gain a little more compression too.

You have to deck the block and mill the head to make that happen. Things need to be REALLY true. Ask me how I know... :lol:

Farmall M head gasket question

Anonymous-0

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The Red

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sflem849

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rhtx55

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Too Far Gone

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Earl-IL

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Anonymous-0

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sflem849

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