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Coatings are worth doing if you have the room for proper bearing clearance, any coating worth doing is going to add .0004 per shell and if the crank is strong std and rods are on the low limit with coated bearings its a problem. I like to finish grind the crank after the coating and rod is measured/assembled to set the oil clearance I want.
Mike Bruns
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The two most useless things to a driver are the braking distance behind you and nine-tenths of a second ago.
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