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VAI crankshaft questions

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Brent

03-01-2003 19:38:05




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We have a couple of VAIs, and are in the process of getting them going again.

One of the tractors has a spun rod bearing. The journal diameter on #4 is 1.907, while the others are 1.913 to 1.915. I believe the standard size is 1.937.

The main bearings all have diameters of about 2.222 to 2.225 (standard size is 2.2495).

It looks like #4 journal will have to be welded to get it back up to a usable diameter, and then all the journals ground to .030 under. It also looks like the mains have to be ground to .030 under.

Is this a good way to go? Anyone have any problems with a VA series crankshaft being ground to .030 under?

Thanks in advance.

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CASEPOWER

03-01-2003 20:05:13




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 Re: VAI crankshaft questions in reply to Brent, 03-01-2003 19:38:05  
No problem. As long as your not going to run a supercharger, turbo, or 10 to 1 compression you will be just fine. I run a tractor salvage and have a lot of Va series and am yet to find a broken shaft. I am sure they are out there some were. I have seen Farmall As with .030 unders and they have held up fine. We all know a Case is built better...



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