Farmall super a engine

BT73000

Member
Picked up a SA that had been sitting for a while the other day for $500. Got it running, but it smokes blue smoke. Soaked cylinders in sea foam, ran, soaked cylinders in marvel mystery oil, ran hard in high gear for 30 min, still smoking. Thought oil level may be high, so drained oil. Oil was nasty and had about a handful of coolant in it, not really overfilled. So, what do y?all think, cylinder liner o rings or head gasket? Pretty rough tractor, noisy trans, left final housing repair from mounting nuts coming loose in the past, touch control box needs rebuild, leaking oil and arms fall after engine stop. Needs other normal items, but been painted once and not rusty. May end up being a parts tractor...Opinions?
 
you can buy a pretty good one, running fairly good for $1000 - $1500. sounds like that you have several hundred dollars in needed repairs
 
I would refill with coolant and oil, put some stop leak in the coolant and see what happens, or else part it out, it's your choice! You should easily get your money out of it parting it out, probably not by repairing it.
 
If it where me I would first off let it sit a day or 2 with the oil pan empty and drain plug out and pan under it. After a day or 2 if not coolant is sitting in the pan then I would finish the oil change and check coolant and then add something like bars leak copper to the radiator and run it and keep an eye on it. You may find you will have no problems and while it is a gamble it is a $25 one. Or you can spend a whole lot more and open up the engine and maybe find where the problem maybe.
 
I was thinking along the same lines about the stop leak. Not really my favorite way to fix stuff, but this is a different case. I ran a warm compression test on it and it has 145 to 150 on all cylinders. If it is the liner o rings, I doubt I could remove them without damaging the liners getting them out of the block. I originally thought it had stuck rings, but after compression numbers like it has, I'm thinking that the smoke is coming from the valve seals or guides. Is there anyway that a head gasket could cause it to smoke oil smoke? I think I can rebuild the head and the touch control box and still be under $1500.
 
Sleeves on those are not all that hard to get out. When I built my BA I used parts out of an A engine and put them in a B block. Had 2 tractors that I used for parts. 2 Bs and a busted up A. A had hit a tree and lost the battle and have a broken block and torque tube and also broke the front axle off of it. So I took the locked up B engine and put the A sleeves and piston in it. 2 ways one can pop the sleeves out. While it is still in the tractor use a jack and 2X4 and jack it up and push the sleeves out or if engine is out use a 2X4 and drive them out I've done them both ways and not hurt a sleeve yet
 

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