A and Super cracks

Farmall Super A, AV, 100, 130, & 140 1939 - 1973

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Dan W.
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A and Super cracks

Postby Dan W. » Sat Jun 13, 2009 9:40 am

I know that the Farmall Cubs are somewhat prone to cracking by the "ears" on the front of the engine. It appears that the Farmall A and Super A have somewhat similar ears. Are the A's and Super A's also prone to cracking there? Are they prone to cracking any place else?Thanks for your responses. Dan W.

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Re: A and Super cracks

Postby Bigdog » Sat Jun 13, 2009 4:34 pm

A's were prone to large cracks in the water jacket. If I recall correctly it was the left side - some of them running nearly the full length of the block. I've seen lots of them patched over and still in use. The cracks did not present a structural weakness problem. Just a leak problem.
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Re: A and Super cracks

Postby Dan W. » Sat Jun 13, 2009 6:09 pm

Thanks for the reply Bigdog. How were the patches made on the cracks you described?

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Re: A and Super cracks

Postby Bigdog » Sat Jun 13, 2009 8:28 pm

I have seen them welded, puttied, taped - you name it. But the best repair (I think) was to groove the crack out and fill with JB Weld. As I said, the crack was not structural and most were a result of freezing. They run for years with nothing else done to them.
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Re: A and Super cracks

Postby artc » Sat Jun 13, 2009 9:45 pm

A's can crack vertically on the steering housing, which is nearly the same place as on a cub. i have a very nice original 41 A with this crack welded...that i did not see untill after powerwashing the engine. i don't mind it... another battle scar.

i have seen a couple others with this problem. i dont think it's as prevelent as a cub ear.
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Re: A and Super cracks

Postby Bill E Bob » Sun Jun 14, 2009 4:22 am

Bigdog wrote:I have seen them welded, puttied, taped - you name it. But the best repair (I think) was to groove the crack out and fill with JB Weld. As I said, the crack was not structural and most were a result of freezing. They run for years with nothing else done to them.


I'm hoping that will work for my Cub block! (JB setting up as I type) If it doesn't, the forum will definitely hear a great WHINE from Skiatook, OK!! :lol:


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