Re: 1937 115C mechanical refresh
Posted by Owen_Dyneto On 2019/2/27 10:17:48
Is the piston an autothermic strut controlled expansion type?
Is a maker's name or trade name cast on the underside of the head, for example "Bohnalite"?
If it's a factory piston the "C" indicates a 0.001" oversize beyond the standard size or a marked oversize. If a nominal oversize is indicated like "0.010" or "0.020", then the "C" indicates a 0.001" oversize over that size. If none is marked, then it's 0.001" over the standard size. See the shop manual for more details.
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