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John Deere Tractors Discussion Forum
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Cracked Head 1937 AR

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junkdigger

07-20-2004 10:03:23




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I just found out the head on my 1937 AR is cracked, and after reading about head repairs on this board I don't feel people have a lot of confidence in the procedure.

I found a used one for $ 360.00; can anyone tell me if this is a good price?

I guess the next move is to talk to a repair shop to see what a repair would cost. Maybe after I get their price, $ 360.00 for a used head won't seem out of line.

Has anyone ever used C.E.S. Enterprises for cracked head repairs?

What's the general opinion of repair verses replacing?

Thanks
Michael

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J. Schwiebert

07-20-2004 15:33:44




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 Re: Cracked Head 1937 AR in reply to junkdigger, 07-20-2004 10:03:23  
Those old heads aere thick. You may be better off by using a cold crack repair such as the Irontite system, I have done a few older 2 cylinder heads with no problems.



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DON

07-20-2004 14:01:32




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 Re: Cracked Head 1937 AR in reply to junkdigger, 07-20-2004 10:03:23  
CHAPEN CYLINDER HEAD WELDING,CHAPEN , IL. HAS TWO SHOPS THAT WELD HEADS AND GUARANTEE THEM . HAVE USED THEIR SERVICES MANY TIMES OVER THE YEARS AND NEVER HAD TO TAKE A HEAD BACK. I HAVE A GOOD CYL HEAD FOR A LATE A 584000- CASTING NO. "A4226", VALVES GROUND AND MAGNAFLUXED. SET IN MY HEATED SHOP FOR SOME 10 YEARS NOW. WOULD MAKE A DEAL.LOCATED IN WESTERN IL. 15 MILES FROM THE MIGHTY MISSISSIPPI RIVER. DON

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junkdigger

07-21-2004 06:26:39




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 Re: Re: Cracked Head 1937 AR in reply to DON, 07-20-2004 14:01:32  
Don,
Your head sounds like what I would be interested in, if it would fit. If I'm reading my parts manual right, a head from an "A" S/N 410000 and up should fit. Looks like the part number would be AA464R or A587R with valve guides. The numbers cast into the top of my head read A587R. I'll check around and see if your head will work for me. Maybe someone on this board would know? What are you asking for it. [email protected]

Thanks

Michael

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Mike M

07-20-2004 10:39:39




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 Re: Cracked Head 1937 AR in reply to junkdigger, 07-20-2004 10:03:23  
I don't remember for sure if an A and AR are different but ones for A's can be bought for $150-$200. if different expect to pay more. I would be cautious of shelling out $360 for a used head because it may be no better than a cracked one like yours just repaired and you may be better off getting yours repaired. I have heard good things about Columbus Cold Weld in Ohio. Also where is yours cracked ?? It could show a crack with a magnafluxer but may not leak when pressure tested. My outlook on cracks is once a crack always a crack patched or not and I always prefer to find a GOOD never cracked or repaired head or block but these are getting harder to find also.

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junkdigger

07-20-2004 11:34:48




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 Re: Re: Cracked Head 1937 AR in reply to Mike M, 07-20-2004 10:39:39  
The head has a crack between the intake, and exhaust valve, on the cylinder side, about 1 1/4 inch long.

I had never thought about it before, but I can see why cracks may not leak, since the cooling system has no pressure.

Thanks
Michael



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Mike M

07-20-2004 12:53:54




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 Re: Re: Re: Cracked Head 1937 AR in reply to junkdigger, 07-20-2004 11:34:48  
Sometimes they don't go deep enough,having a head pressure checked it may not leak. But then again it is cracked and could open up farther if used alot.

I would really look closely VERY CLOSE at any replacement heads to see if they show signs of being repaired. To spend money on a head that was repaired you may be better off getting yours fixed it may even have a warranty.



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