Posted by TX656 on February 23, 2009 at 22:20:57 from (71.48.165.87):
Tractor Vet stated "do not think that you are going to like what i have to say here"
...Nah, that's OK, I kind of figured she'd be close to needing her overhaul based on what I've read on the board (gas = 5,000 hours, diesel = 10,000?) Doubt I've put more than two hundred gallons of gas through her since I bought her two years ago. I've run 93 octane (but not the low ash oil). No idea on what the prior diet consisted of. I did put a gas filter on it but I think I can remove it now. Magnets in the tank and sediment bowl seem to have gotten the crud out. Came with a very nice loader with very little use. I got a great deal on the tractor because no one could get the loader to work consistently (turned out to be a coupler!) I'm in it right so spending some cash is ok.
I have begun the tear down. So far I'm impressed with how easy the components are to access and to remove. Much easier and less time involved than some car engines I've pulled in the past.
While pulling off the intake found this hole in the feed to the carburetor. Makes the air cleaner kind of irrelevant.
Top end seems clean enough. I was expecting a little more varnish/sludge. Guess it doesn't get very hot up here.
Victor head gasket indicating someone's been in here prior?
Generally the condition of each combustion chamber resembles this one
No scoring in the cylinders. #5 and #6 have a cylinder ridge; my guess would be thickness of the ridge is about the thickness of sheet of 20# copy paper. (I can just hook a finger nail on it.) Ridge in #1 and #2 is almost nil.
Is this an original piston? Or, at 4360 hours will this be the 2nd rebuild?
Bottom end also seems clean enough.
Rod bearings shot. Presuming cam and mains are in similar condition
Except for any work the head will require I'd like to do everything myself. With the money saved by not regrinding the crank or having it line bored seems like I'd have enough to replace the clutch. Not trying to be penny wise and pound foolish but I do need to be effective.
Now that we've confirmed the condition of some of the components what are Tractor Vet's and everyone else's thoughts for rebuild options. At a minimum??? At a maximum???
Can I plastiguage the crank and put in oversize bearings if necessary with out a regrind?
"If you decide to rebuild then there are things that you or your machine shop need to know and i can help on this...." I'm listening
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