[AT] A vs. Super A engine internals To swap or not to swap

[Al Jones]

Lou,

The kit's number is BEKH1150.  IIRC it's got 3 1/8" pistons, the sleeves fit the original A block just fine so they appear to be thinwalled sleeves.  I will check the serial numbers on the tractors.

Thanks,
Al


-----Original Message-----
>From: louis at kellnet.com
>Sent: May 28, 2011 9:21 PM
>To: Antique tractor email discussion group <at at lists.antique-tractor.com>
>Subject: Re: [AT] A vs. Super A engine internals To swap or not to swap
>
>Al,
>
>I am a Tisco dealer.  I looked up the IH A and Super A.  As far as 
>interchanging the kit between the tractors depends on the serial number 
>range of the two tractors.  There are three different kits available from 
>Tisco for the A/Super A/Super A-1 tractors.  See if you can find some part 
>number for your kit or even the part number on the boxes for the piston and 
>sleeves.  Also, give me both of the serial numbers of the two tractors.  I 
>will look up and see if the kit will interchange or not.
>
>Lou
>
>-----Original Message----- 
>From: Al Jones
>Sent: Saturday, May 28, 2011 9:04 AM
>To: Antique tractor email discussion group ; 
>farmall at lists.antique-tractor.com
>Subject: [AT] A vs. Super A engine internals To swap or not to swap
>
>
>So I just got this 1950 Super A white demo. And I also have a late '39 
>Farmall A (some books call it an early '40) that I have been working on. The 
>crankshaft, sleeves, and pistons have been installed, the rods just have to 
>be bolted to the crankshaft. Main bearings have been torqued to spec.
>
>I never had intentions of keeping this A once it was done. Figured I would 
>sell it. Also figured since it was just a straight A, no hydraulics, no 
>nothin, I probably wouldn't make back what I have spent on it. It has no 
>hole in the bell housing for the starter, but the bad thing is it apparently 
>got a "service engine" from IH at some point--block is a '42 by the casting 
>code and there is no serial number on it. Either way, the engine is not 
>"original."
>
>So I have started thinking, the white demo is a "bucket list" tractor for 
>me. And, I'm on a serious budget these days. So why couldn't I take the 
>overhaul kit I have for the A, and use it for the Super A? Only sticking 
>point is the crankshaft has a totally different part number according to the 
>caseIH website. I haven't had time to check my first edition Super A parts 
>book against that to see if the early Super A's might be the same. But what 
>in the world would be different between the crankshafts between these two 
>tractors? Regardless, I am thinking I can use everything in the overhaul 
>kit--provided the crankshaft journals are turned to the same measurement as 
>in the A. The kit came from the local parts store, it's a Tisco kit but 
>according to their website it works for all the A/B/C series tractors. Only 
>thing I would need is new o-rings for the sleeves, and transfer the pistons 
>over to the Super A rods.
>
>If I did this, I see myself parting the A. It has a nice .20" ground crank, 
>(assuming it won't work in the Super A)overhauled cylinder head, and fairly 
>nice sheet metal. The block has been through the machine shop--cleaned and 
>fluxed--so it would be nice. The grille is not correct for the early dzus 
>fasteners, so I would probably keep that for my Super A. I have always heard 
>that "the sum of the parts is worth more than the whole," and I feel like 
>early A parts would be worth a little more, but who knows?
>
>Am I missing something? Doing a overhaul kit swap seems way too simple. I 
>hope I'm not talking out of turn.....I am hoping maybe to get her running 
>this weekend, and maybe the engine will be in real good shape and won't need 
>overhauling more than maybe rings.  Usually that's not how my luck runs 
>though!
>
>thanks,
>Al
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