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Farmall M

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JAS

08-26-2002 18:43:29




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I"ve got a farmall M. What can I do to make it a competitive pulling tractor?




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Zonie

08-27-2002 19:02:07




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 Re: Farmall M in reply to JAS, 08-26-2002 18:43:29  
Like deadeye say's how much money to spend. you can go to oversized pistons and sleeves, you can get high compression pistons, you can use the head off of a 400 or 450 tractor that was propane powered from the factory. There are many modifications to the engine, but they can get quite expensive. The M's pull pretty good in the stock classes just the way they came originally.
I'd just start taking it to the pulls and see how it does then I'd start modifying it.
I bought a Farmall H to restore and take to the pulls. I took it to the couny fair for the pulls right after I bought it, it left a smoke trail every where it went, was uglier than snot, tire side walls were nothing but cords but I took it anyway and had a ball. I didn't win the class but I still had alot of fun. Ispent about $1500 rebuilding the engine and trying to built "alot" more power from the engine. now it does just slightly better than it did befor. I still don't win the class but I still have fun.
Now from what I understand the farmall H is a very heavy tractor for it's horsepower.so It needs alot of $$$$ to get it to perform like the other tractors that always beat me. I just bought another tractor to use just for pulling, it is an Allis Chalmers WC it weighs about 1000 cpounds less than my H and has a bit more horse power. I can almost triple the horsepower just by changing to a combine engine that will drop right in.
and it looks like it belongs there.
good luck and always remember it's just for the fun.
Zonie

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JAS

08-29-2002 18:05:39




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 Re: Re: Farmall M in reply to Zonie, 08-27-2002 19:02:07  
Thank you for your response.What is the biggest size piston you can use before you have to start offset boring the block?



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Red'nOrange

08-30-2002 20:10:18




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 Re: Re: Re: Farmall M in reply to JAS, 08-29-2002 18:05:39  
The M has a standard bore size of 3 7/8". Sleeves and pistons for 4" bore are readily available for the M. You can run without sleeves (consult an engine builder about preparing the cylinder walls) which will give you a 4 1/8" bore although I have not done this with an M. Four and 1/8 is the size of the largest bore supplied by IH with this basic engine block. It was used in the Farmall 450 which incorporated the "firecrater" design pistons. I installed these in a Super M-TA using sleeves along with a 450 gas head and am very happy with the performance. An LP head should provide even better performance.

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deadeye

08-27-2002 04:14:43




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 Re: Farmall M in reply to JAS, 08-26-2002 18:43:29  
The first question is "How much money do you want to spend????" Second question is "What is competive mean to me ????" 1st. place, 2nd place, 3rd place, last place. Some people are happy with any of those places. They just enjoy pulling.



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