Milling 243 heads on a 5.3 LH6 to increase CR
02-05-2013, 09:26 PM
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Milling 243 heads on a 5.3 LH6 to increase CR I have been searching and haven't found a clear answer yet. Does anyone know how much I could successfully mill off of the 243 heads on a LH6? I have a Z06 cam and a set of stock MLS gaskets. I believe the stock CR is 9.9 or 10 and would like to get it into the 10.5-10.7 range. Wasn't sure if I would run into any issues milling what is needed to get into that range. Thanks!
