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Farmall H Gas Pistons with Distillate Head

H

HeavyHutch

New User
Recently purchased a 1942 Farmall H distillate model with 5000 ft altitude option to till ten acres of family property to plant in various vegetables for a market garden. The tractor had a miss at idle, which turns out to be the very low compression of 60 psi on all cylinders. Ran the valve lash and also found the #3 exhaust valve was at darn near .200" causing the correlating piston to be pitted badly. Anyway, it has become extremely hard to start lately and it's time for an end frame overhaul and need to know if a set of gas fire crater or step head piston will clear the distillate head? The Pistons that are in it are step heads, but was unclear if their was a difference between the distillate and gas step head piston heights. I'm trying to get the compression ratio up as this will be a working tractor pulling a 2 bottom plow, 8 foot tandem disk, and various cultivating implements. Any help is appreciated and thanks in advance.
 
The 5000 pistons do have a raised head so they clear now your compression is low mite need a valve job and new rings.
 
(quoted from post at 11:05:42 04/08/16) The 5000 pistons do have a raised head so they clear now your compression is low mite need a valve job and new rings.
Click to expand...

It's definitely getting a new set of valves, springs, and guides when torn apart. So the step head Pistons that were out in the 5000 ft distillate model tractors are the same dimensions as the ones in the standard gasoline models? Would I be safe putting in 8000 foot gas Pistons or the fire crater style with that distillate head? The reason I ask is that most suppliers of these in frame kits are pretty vague about fitment and list kits that are for gasoline and distillate models, distillate models having the flat top Pistons and the gas models having step head Pistons.

Thanks for your advice and quick response.
 
Getting new valves and related parts including guides might want to find a gasoline head to rebuild.With high altitude pistons
might just wake that H up.
 
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