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      12-29-2012, 07:10 PM   #3
rory breaker
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Drives: C63
Join Date: Aug 2012
Location: NC

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Way too many variables. Most accurate way to do it would be to do oil analyses during intervals - new, 3k, 7k etc. With modern Syns 9x out of 10 you lose very little oil performance through 10k. 3500 is no longer relevant for most applications.