Kinda looks like my ride on George's Mowchine, in his front yard! That's all I could do with it, with the slicks on, and dew on the grass.

Till he told me to take it out in the drive, rev it up, and dump the clutch! 

MTD CHEAP!! NO RESERVE!!

Headed for the Dump...

In Dover Plains, New York...

http://cgi.ebay.com/17-HP-LT-YARDMAN-MTD-42-GARDEN-TRACTOR_W0QQitemZ300266817176QQcmdZViewItem?hash=item300266817176&_trkparms=72%3A1205%7C39%3A1%7C66%3A2%7C65%3A12%7C240%3A1318&_trksid=p3286.c0.m14

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Another one in Gastonia, NC

http://cgi.ebay.com/YARD-MACHINES-MTD-Riding-Lawnmower-parts-or-repair-NC_W0QQitemZ120318879247QQcmdZViewItem?hash=item120318879247&_trkparms=72%3A1205%7C39%3A1%7C66%3A2%7C65%3A12%7C240%3A1318&_trksid=p3286.c0.m14

You did well then!!

  I use the cheap chain on mine. $10 for a 10' roll of #40. The first time I tested my mower the chain was perfect and when I did 5 or so laps in the yard it stretched so much I had to take a link out to make up for it.
            Also I have only oiled my chain one time. But for some reason the chain ALLWAYS has a lot of  gear oil of it 

Your transmission or transaxle vented? It may be blowing it out. George vents his so it does drip on the chain.

Internally there is a quite a bit of difference in the two! Aside from the case, which even there I'm not sure, there are very few interchangeable parts in the two. The gears can be made to work with modification, but the input and countershaft are quite a bit different. I'll have to see if I can find pictures, had two of them apart side by side to compare at one time, but there was so much difference in the two, that I never posted the pictures.

I'd give it more like an 80/20... bought a pallet of them + 2 single engines. Out of 10 we've managed to piece together 2. There's pictures on here somewhere of the first one. Never seen one blown up quite that bad. Most would appear to have been run low on oil, broken rods, typically go through the cylinder wall. If you're lucky you can salvage the cam, think I've managed to find 4 out of the 10. Most are hit hard enough to not only wreck the cam, but also crack the journal in the oil pan or the block, or both. Pretty much all of them have all sorts of funny rattling sounds in them when you take them out of the box.

In short... I bought SEVERAL that were boat anchors! A couple that were repairable. 

These engines are all warranty work from Sears, non-repairable motors, that Melco wheels for them.

Not sure if it helps, but if you Google the model number on that snow blower the RAGB came from, it comes up a 42" IH Cub Cadet, like this one...
 
http://cgi.ebay.com/CUB-CADET_W0QQitemZ250307664185QQcmdZViewItemQQssPageNameZRSS:B:SRCH:US:101

That's very possible, I saw the piston, and the box the engine came in at the G-Team Shop, and that was about it. We opened the box to make sure there was a motor in there, and closed it back up. Don't really recall what it was, but it was a BIG single cylinder, not a twin.