Quote:
Originally Posted by Ol' Ron
B&S, I have to agree with you on all of the above, However I was told by a crank grinder that he could make a 4 1/8 stroke cranl out of one that was .020 under and even more if you wanted a 4 1/8 that was .010/.020 under. Then you'd have yo find floaters that were undersize or "H" beam wit undersize bearings. I never did the Math here but i suppose it possible to save a good Merc crank for something useful. I have one that;s .030 under that i was thinking of turning to 1.998 to save. BUT??
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Given the stock rod-journal size of the Merc Crank is 2.138, in theory you can just make it with a .020 undersize crank - if it has no wear. In my experience it always seemed like that was pushing it - that anything under .010 was kind of a crap shoot.