GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

6.2 bogging down

Old May 7, 2012 | 12:40 AM
  #11  
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Originally Posted by AKlowriderZ71
Andy, your truck won't try to calculate alcohol content because of the way it's tuned.
Originally Posted by smokeshow
Its only an issue if you run ethanol. With GM's new retarded ethanol fuel correction system, WOT after going from 100% gas to 100% E85 without adjustment will blow **** up. Its basically untuned, so..
Ahh gotcha.
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Old May 8, 2012 | 11:21 AM
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Hmmmm interesting I hadnt noticed I'll pay attention on the next fill
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Old May 8, 2012 | 08:59 PM
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Who the hell actually runs E85 horse **** ****'s almost impossible to find anyway. Just curious
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Old May 8, 2012 | 09:10 PM
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Originally Posted by 01WS6/tamu
Who the hell actually runs E85 horse **** ****'s almost impossible to find anyway. Just curious
i do.
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Old May 8, 2012 | 09:17 PM
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Originally Posted by smokeshow
Its only an issue if you run ethanol. With GM's new retarded ethanol fuel correction system, WOT after going from 100% gas to 100% E85 without adjustment will blow **** up. Its basically untuned, so..
it still does it on the 10 and newer ff vehicles. regardless of 91 octane, or e85. annoying as **** actually
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Old May 8, 2012 | 09:56 PM
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Originally Posted by 01WS6/tamu
Who the hell actually runs E85 horse **** ****'s almost impossible to find anyway. Just curious
I do! E85 is high-octane for horse ****; depending on whose test you believe it's somewhere between 96 and 105. A flex fuel motor can adjust to a better timing table to take advantage of the octane = more power.

I'm lucky - there's a station that sells it about three miles from home. You can find out what's near you at: www.e85fuel.com/find-an-e85-station/
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Old May 8, 2012 | 10:02 PM
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I would consider running if it was sold in my state. Maybe someday
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Old May 9, 2012 | 04:33 AM
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Yeah, not sold here either. I ran a tank last time I was visiting Michigan and really didn't notice any improvement despite the tune, but I also didn't know about the delay before WOT calibration so maybe I'll try again sometime.
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