[AT] internal block repair

[charliehill]

I'm not so sure you couldn't solder that up.  Heat the casting with a torch, 
flux it and flow some silver solder into the crack.  That's just a thought. 
I never tried it.

Charlie
----- Original Message ----- 
From: "Steve W." <falcon at telenet.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Thursday, January 01, 2009 9:04 AM
Subject: Re: [AT] internal block repair


> John Hall wrote:
>>  Trying to fix an oil leak on a Farmall Cub. In years past the block was
>> broken at the front right lower corner (not too uncommon depending on the
>> owners). The block was welded on the outside and where the pan bolts 
>> up---no
>> welding on the inside. Now the weld has cracked where the pan lays so oil
>> gets inside the crack from inside the motor, runs down to the gasket and
>> then leaks to the outside. I am thinking of cleaning the inside with carb
>> cleaner and applying some JB Weld or Belzona to the crack. Then I am 
>> going
>> to coat the area with Glyptal. Then we will reinstall the pan using black
>> oil resistant silicone on the gasket. Other than pulling the engine and
>> re-welding the block (which is not an option for this Cubs owner) anybody
>> got any other ideas/suggestions?
>>
>> Happy New Year!
>>
>> John Hall
>>
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>>
> If you can get in there how about brazing over the crack? You will want
> to use some heat there anyway to bake the oil out of the cast or the JB
> won't stick. Brazing would also help structurally.
>
> -- 
> Steve W.
> Near Cooperstown, New York
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