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E85 and 91 octane??

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Old Apr 10, 2009 | 05:37 PM
  #1  
ant_turbo's Avatar
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From: Cali to Colorado
E85 and 91 octane??

Quick question here... I had about 3 gals of E85 in my tank left after the track so I
put about 4 gals of 91 ontop,,,Switched my map back to 91 and low boost and now at WOT...AirFuel is lean..on spool 13 and under boost 12/12.7
Is this nomal....And no knock light coming on,,
THANKS.......
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Old Apr 10, 2009 | 09:05 PM
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From: underground
you still have e85 thats the reason its goin lean...drive it a lil till that gas mixes some more..
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Old Apr 10, 2009 | 11:56 PM
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From: Hayward
always try to be at the gas light when switching between the fuels.
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