M heads

Jim McVay · Nov 12, 2012

Where is a good place to find info to identify M heads. A friend wants to pep up his M and would like to find out what type of head he has. If an all fuel what is a good swap with out spending a fortune?

BigTone · Nov 12, 2012

Someone asked that question not to long ago, check the archives. I have an all fuel head on my M and the cast number is 87777 I believe so I rebuilt the motor with step head pistons which really helped boost the HP but it was costly. If your buddy is looking for a bit more power look for a M gas head or you could go with a Farmall 450 head and really get some more power.

High Octane · Nov 12, 2012

go with the aftermarket 450LP head. Absolute best bang for the bolt on buck. no cracks to worry about. Just shop around on em to find the best prices. new new new!

M heads

Jim McVay

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BigTone

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High Octane

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