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Old 10-10-2012, 03:45 PM   #8
Cobb Tuning
Member#: 4803
Join Date: Mar 2001
Location: Austin, TX

Originally Posted by truwrxtacy View Post
Thx guys. Someone told me to put about 2 - 3 gallons of e85 in it and it should help with the octane. Can someone please confirm this?
I wouldn't attempt to try to mitigate any knock by filling up partially with E85. Just run through this tank by driving conservatively and you'll be fine.

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