Re: 140 rod main journals same size as SA?

Posted by El Toro on July 03, 2006 at 13:32:39 from (64.12.116.65):

In Reply to: 140 rod main journals same size as SA? posted by scott#2 on July 03, 2006 at 10:38:59:

The crankshaft in the 140 should have the same dimensions as the Super A and that probably includes the A, B, C Super C, 100 and 130. That probably includes the 200 series tractors too.

Your local auto machine shop should have manual that covers all these engines and most of the farm tractors. I would have the bearing clearances on the rods and mains between .001" to .0015". Your shaft may not require it be ground, if it isn't scored. It may only need to be polished. If it is only worn a few thousands you can install undersize bearings. A good auto machine shop can tell you what's required after they measure your crankshaft. Hal

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