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Tractor Pulling Discussion Forum

Farmall M hp

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01-20-2005 13:47:24

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Hi! I can get a M short block that got 5 3/4 stroke and 4 1/4 pistons. with 8060 head. How much hp can I get out of this set up? head is still stock, How much should or can I shave off head to help? Any ideas would be appreciated? Don't have alot of money to spend. Thanks

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Clarence Barenie

01-21-2005 18:34:55

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 Re: Farmall M hp in reply to DC-PA, 01-20-2005 13:47:24  
In the high performance world of tractor pulling, it has no value!


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01-20-2005 17:14:15

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 Re: Farmall M hp in reply to DC-PA, 01-20-2005 13:47:24  
I wouldn't cut the head any more than it takes to get it straight. That 326 CID motor should be capable of 70-75 horsepower at stock RPM. The extra bore and stroke should give you a pretty good boost in compression. Most importantly find somebody with a dyno, without the crooked needle to help you tune it.

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01-20-2005 14:56:48

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 Re: Farmall M hp in reply to DC-PA, 01-20-2005 13:47:24  
I did not shave my head, but I simply used a dremel to polish the rough edges inside. From what I read, by simply doing this, you can gain 5-10%. If someone else wants to add in on the please do. I guess if the engine can flow more fuel/air into it, it will preform better. What do ya"ll think?

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