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Massey Harris & Massey Ferguson Tractors Discussion Forum

Looking for info on 1951 TO20

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Author  [Modern View]

06-10-2019 06:35:50

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Hello to all,,
I recently bought a 1951 TO20 that was in pieces due to what I was told was the throttle stuck on the Grandpa and kicked #4 rod cap thru the driver side under the starter. I dismantled the engine and after some research, ordered some Nickel 55 weld rod and did what I think is a successful repair of the small window in the block. After the weldup, I used the "Diesel test" and after gouging and rewelding 3 small seeps there are no more seeps. There was also one small piece of the block at the very bottom where the 2 sleeve Orings go that had broken. The bottom of the two ORings did not have any meat to seal on. I repaired that as well.
I happened to see a video on YouTube that showed a "repair" on the small areas adjoining the liners at the very top of the block. I looked at my block and it also has 2 of these hairline cracks between #2 and #3 cylinders but do not appear to have leaked coolant at these points.
I then bought a set of liners with pistons and that Guy told me these MF's were prone to cracking at that spot,,BUT,,,some leaked coolant into cylinder and some did not.
I must be missing something,,as I cannot see how the coolant can get into the cylinder if the cylinder head has a good seal to the top of the liners,,,? I asked the PO and he says he never had to add any coolant and he was never aware of a problem with loss of coolant.
Your Comments Please. Any help,,??

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06-10-2019 16:49:28

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 Re: Looking for info on 1951 TO20 in reply to Buggyboy, 06-10-2019 06:35:50  
Hey Phil,,Many THANKS for the quick response. I had just about convinced myself to not worry any more bout them dang hairline cracks and just go ahead with the rebuild and you convinced me,,,,
I'm fixin to order the bearings and gasket set from here,,,YEA,,, and I don't see any mention of a gasket between the liner and block,,,?? HMmmm?? Say,,,is there a classifieds on the forum? I could not find one of there is,,,,,I sure do need to come up with an intake manifold,,,,,

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Phil Tibbetts

06-11-2019 03:15:52

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 Re: Looking for info on 1951 TO20 in reply to Buggyboy, 06-10-2019 16:49:28  
Top left of the classic view page.

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Phil Tibbetts

06-10-2019 12:12:44

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 Re: Looking for info on 1951 TO20 in reply to Buggyboy, 06-10-2019 06:35:50  
Not unusual for them to crack there. It should seal okay with a new gasket. I've done several with no problem.

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