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Tractor Pulling Discussion Forum

SM Pistons

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DC-PA

01-08-2005 19:34:11




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Hi! Does anybody know if 4 1/4 pistons are available? I have a 264 block from a Farmall Super M. I'd like to run it without sleeves. I think it be 4 1/4. Please let me know if this is true or other opitions? Thanks DC




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Clarence Baerenie

01-09-2005 03:27:57




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 Re: SM Pistons in reply to DC-PA, 01-08-2005 19:34:11  
i have a set of custom made 4.130 pistons from from arias, for a 5.75 stroke !
three ring setup with 31cc on the dome or step.
takes compression to 9.00 1

phone # 219-716-0467



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smta puller

01-10-2005 14:06:51




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 Re: SM Pistons in reply to Clarence Baerenie, 01-09-2005 03:27:57  
Can you run a Lp head with a 31cc.



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Clarence Barenie

01-10-2005 14:44:29




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 Re: SM Pistons in reply to smta puller, 01-10-2005 14:06:51  
These pistons were designed to work in an 8060d head or450 gas head ! The 450 gas head ramps down more abruptly than the propane head. If i am correct, the propane head is more open in the bore than the gasoline style heads. How deep is the combustion chamber on the spark plug side ? On the propane head, is the spark plug raised up close to the valves, or is it low in the deck ?
STEPPE PART IS RAISED APROXO .4100. Excellent looking product, but since creation i have learned to much, and want to increase c.i.
I've only seen 1 450 propane, at a glance, at that point in time wasn't at all interested in price tag.

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