Super C oil burner solved...

I had time to drain and drop the oil pan this evening, and took out the worst looking piston. Now I didn't have much time before dark (working on it outside for now) but the one ring gap that I got to measure was 0.08". I don't know what the book calls for on the Super C, but the 113 engine specs, which I would think would be similar, are 0.01-0.018". The piston-to-cylinder clearance also appears to be excessive. In the coming days I'll measure the bore and check piston clearance, but for right now, looks like I need sleeves and all. The cylinder bores have a little pitting; the one rod bearing I looked at is slightly grooved, but the crank throw looks smooth.
Thanks to all.

Bill

For what it is worth, a quick way to decide what you need is to run those pistons up to TDC one at a time and merely take your finger tips and see if you can move them side to side in the bore.

The tops of the cylinders are where the most wear occurs and is where it will readily show up. If you can move that piston sideways any appreciable amount at all in it's bore, she needs the works.

I've seen engines that are so lose that the pistons will actually make an audible 'knock' when you move them from one side of the bore to the other.

And, oddly enough, these tired old engines will still be starting and running just fine...but, are usually pumping oil to beat the band.

Just sharin',

Allan

I'm just anxious to get the valve springs off to see what shape the guides and valves are in.

Thanks,
Bill

I think you already kinda know about that upper end as well, don't ya? :>)

Good Luck with her,

Allan

I have my suspicions. Won't know for sure until I get the valves springs off long about Sunday or Monday evening. But you're right, unless the head has been rebuilt since the re-ring. I won't be surprised if I need valves and guides.

I'm still puzzled by the 3-1/4" bore. Don't know the history of the tractor, so I guess anything is possible. Just never heard of an East Coast tractor with enough hours on it to have worn out two sets of sleeves and rings.

I'll keep progress posted.

Thanks,
Bill