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Old 09-06-2012, 07:34 PM   #2
LBell05STI
Scooby Newbie
 
Member#: 305890
Join Date: Jan 2012
Chapter/Region: NWIC
Location: Tacoma, Wa
Vehicle:
2005 STI
WRB

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This will do bad things. It will not be a performance gain due to the fact you are tuned for 91. Also considering E85 uses on average 30% more fuel to run it would lean out your AFR if I'm not mistaken. In short, don't do it unless you want a reason to build a new block.
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