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Boxster racers and hpde folks: what oil do you run and how often do you change it?
Just wondering what folks are using and why. If the info is not something you want to share publicly, if you pm me I will respect your confidence. In case the oil is a secret ingredient to your winning formula and you don't want the competition to know. 
Last edited by steved0x; 03-16-2016 at 01:16 PM.
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