Thanks Guys, That's why I asked about grinding a crank to .040". Not only the strength of the crankshaft but how far into the metal was the nitrite? I'm an aircraft mechanic and when we have a crankshaft turned, if it's even allowed for a given engine, the shop has to re-nitrite the surfaces along with other tests. Same problem with refacing valve lifters. You can remove the hard face real easy. Thanks for all the info. The engine will be my next worry. Right now I'm waiting for a pilot bushing to be made from back east. Seems my NAA doesn't have the common bearing but a bushing. :-(
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Today's Featured Article - It Can't Be Done! - A Tractor Story - by Neil Campbell. I'll never forget the time back when I was a boy baling hay on our Farm in Big Rapid, Michigan. The most memorable event that took place was a trip up the steepest incline on the farm pulling an old New-Idea baler with a pony-motor for power and a haywagon. I had just talked my Dad into buying an old John Deere B with 6-speeds ahead and I was real proud of it, except it was a little smaller than the Case tractor that we normally
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