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Old 05-23-2015, 11:30 AM   #1
Scooby Newbie
Member#: 151490
Join Date: Jun 2007
Default 91 tune xpt map question

ok so this may be a dumb ? but im done searching lol...car 02 wrx xpt stage 2 ebcs map, car runs great. apparently the tune i have on my car is for 91 octane..(map was labeled on comp 91 oct stage 2 etc)...on xpt's website on a stage 2.5 map is says this at the end "It has been tuned on 91 octane California gas with up to 10% Ethanol. It will run even smoother on 93!" does not say this for my map, but my ? does that mean you can run 93 on a 91 tune? i ask because where i live 93 is way more accessible then 91... so would it be safe to run 93 on it, or just stick with 91? thanks guys
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Old 05-23-2015, 09:04 PM   #2
Medium Frank
Member#: 140114
Join Date: Feb 2007
Chapter/Region: MAIC
Location: Common Sense, VA
2014 Porsche
GT3 (Currently on Fire)


You can always run higher octane on a map tuned for lower octane.
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