F-20 Crankshaft

as there are no specs listed maybe a better question would be how much have you got? If the crank and bearings look good and you set the rods per the manual you will probably be ok. Dont waste your time and money on plasticguage for this family of engine.
 
If it's worn a lot or is out of round you can have it ground undersize then have your connecting rods rebabbitted to fit the rod journals. Hal

Roberts Bearing Service in Ripley, WV they would need the measurement of the rod journals.

304-372-4136
 
Back in the 1970's I was restoring a StandardTwin garden tractor and my local auto machine shop ground the rod journals undersize and sent the rods to Federal Mogul to be rebbatted. Just had to shim them to get enough clearance. Hal
 

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