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Tractor Pulling Discussion Forum

Farmall m head

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Farmallhm44

06-11-2019 15:30:24




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Is there anything that can be done to a stock Farmall M head to increase hp?




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Farmallhm44

06-16-2019 15:19:37




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 Re: Farmall m head in reply to Farmallhm44, 06-11-2019 15:30:24  
If I were to switch to an lp head is there any issue with using stepped pistons?



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showcrop

06-15-2019 04:44:46




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 Re: Farmall m head in reply to Farmallhm44, 06-11-2019 15:30:24  
Quoting Removed, click Modern View to see

Yes rustred, that is exactly what I said.



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Farmallhm44

06-14-2019 16:23:20




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 Re: Farmall m head in reply to Farmallhm44, 06-11-2019 15:30:24  
Thanks everyone.



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dblair

06-15-2019 19:46:05




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 Re: Farmall m head in reply to Farmallhm44, 06-14-2019 16:23:20  
do what Randy said , but don't spend any money on a useless head for pulling



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randy hall

06-14-2019 09:03:00




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 Re: Farmall m head in reply to Farmallhm44, 06-11-2019 15:30:24  
sell it and buy an lp head.



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showcrop

06-12-2019 18:45:50




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 Re: Farmall m head in reply to Farmallhm44, 06-11-2019 15:30:24  
While getting the head done you could even find out that the valves are recessed due to previous valve jobs. They will be able to put in oversized valves which will bring the valve surface back out and increase your compression.



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rustred

06-14-2019 20:07:27




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 Re: Farmall m head in reply to showcrop, 06-12-2019 18:45:50  
they are not oversized valves they are the standard valves . with new valves and seats the valves are sitting higher in the combustion chamber,every time a seat and valve is ground it puts it lower in the seat. you do not want this.



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rustred

06-12-2019 18:18:26




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 Re: Farmall m head in reply to Farmallhm44, 06-11-2019 15:30:24  
anything that decreases combustion chamber volume. have new seats and valves, plane the head, 40-50 thou. go out on a limb and do some welding in there.



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mmfan55

06-12-2019 16:42:23




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 Re: Farmall m head in reply to Farmallhm44, 06-11-2019 15:30:24  
Take it to an engine machine shop and have it "shaved ". Not a large increase but will help some.



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