My newly aquired M needs a manifold? Propane manifold?

txdutchman

Member
Location
West Texas
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Was going to attempt to weld this my self as the welding shop wants over a $100 to weld it. Mainly want to patch it to get it running just so we know it will run. Then plan to replace it. But, turns out there is a spare Farmall engine sitting in the back of my boss's old barn.

But it's a propane engine. Will a propane manifold will work on a gas M? I'm not even sure if the spare engine is for an M or what but it looks identical and has what appears to be a good mag. This thing has sat in that corner of the barn for the last 25 years but the motor does turn over. I'm pretty sure it was a running engine ready for engine swap on a peanut cleaner as my boss had 2 of them both powered by Farmall engines on propane.

I knew this thing was in the back of this barn but had forgotten that it was a Farmall.

Thanks guys.
Oh, and what would the plumbing have been for on the manifold in the picture?
 
That crack is on the bottom of the exhaust side and it won't hurt anything to run it like that. That bottom part is often full of rust flakes anyway.

I did find one on an H one time that was thin enough that a small hole had started between the intake and exhaust. That obviously didn't run well.

I agree that it's not worth paying to get it welded, just try to weld it yourself or braze it.

With that fitting there I wonder if this engine was set up for propane at one time. The propane manifold from the other engine will work but may be more cold natured. You would be more efficient on gasoline with some amount of heat on the manifold to help with fuel vaporization.
 
Would you braze or stick weld? Never brazed cast before but have had some success with the stick welder in the past. ( plenty of failures too I should add!) lol
 
On this one I would braze. Exhaust manifolds get so contaminated with rust and extra carbon bits that they're harder for us part time welders to arc weld (IMO). The brazing will work fine in this application.
 
There used to be an H around here that had a petcock type fitting in the manifold, I was told it could be hooked up to
the step-saver milking system if the power was out.Vacuum supply. I don't remember that it was ever used that way when
I was around. But the hole in the side of the milkhouse is still there .
 

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