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Bill725

Triad Block for REPAIR(?) on eBay

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Bill725

Triad block for "REPAIR" on eBay, $80. You can tell what happened by looking at the pictures. The old valve cover leaking oil syndrome. Cylinder got hot & dropped and piston ring got caught on bottom of cylinder liner and broke. How do you REPAIR this? REPAIR with Command.

Need to tell the guy block is junk!

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PhanDad

Bill,

I've never tore down an engine, so when I read posts about failed engines I try to learn.

You stated the "piston ring got caught on bottom of cylinder liner".

I would think the a ring might have got caught on the top of the liner, not the bottom, since the sleeve is now lower. Probably breaking the rod?

Am I thinking incorrectly?

PS - since he's also selling the chrome engine tin, the engine probably came out of a 75th Anniversary Tractor.

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PhanDad

Block for Repair (rotated 180 deg):

TriadBlock1a.jpg

Carl, you block casting is different. The bolt is in a machined area when the cratered block has the raised boss (8 o'clock). In your block, the raised boss is at 11 o'clock. Maybe updated/modified casting to save the engine?And tell us more about your block. Rebuilding a Triad?

TriadBlock1a.jpg.d075b53daf86f2d39381f3e04454d0ea.jpg

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CarlH

Bill,

I apologize for not responding sooner. I just saw your reply.

This is not my block. I got the picture from eBay. I do have 2 complete Triads (and enough other stuff I think, I may not have a correct drive shaft) to install one into an appropriate 7100 roller. It will be my Roy Pope / Al Eden Memorial Tractor. Unfortunately it is on the list that requires a 'Round Tuit' sm06

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