I know you can get .010 under Kohler connecting rods which would match a 1.490” crank journal. You can get .020 under aftermarket (imported) rods as well but I would rather stick with OEM parts if possible. Engine shop guy said it wouldn’t clean up at 1.480” so I would need to find a .030 under rod (or a rod machined to accept bearing inserts sized to fit a 1.470” crank journal).
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