jcole05 Posted March 29, 2011 Share Posted March 29, 2011 Ok, did search this and found posts by Legend mentioning no significant difference in tune needed between an "E58" blend and E85. However, considering going the E85 route I wanted to see if anyone else had input on the issue. My car seems pretty 'knock-prone' on 91 and 93 octane so I'm wondering if I will need to get separate maps for winter/summer driving with E85/E70? Also, anyone have experience with the E85 monitoring kit from Zextronix? A lot more expensive than a glass vial but cooler too. Thanks. Link to comment Share on other sites More sharing options...
2005legacy2.5i Posted April 2, 2011 Share Posted April 2, 2011 I'm wondering the same thing Link to comment Share on other sites More sharing options...
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