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Thread: Ethanol

  1. #1
    Lifetime Member Chevy366's Avatar
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    Default Ethanol

    Is it important to tune in % of , example 90g-10e blend ?
    Octane rating takes into effect % of ?
    B3660 Open Loop Ethanol Blending >B3647>B3649 .
    Last edited by Chevy366; February 21st, 2007 at 05:07 PM.
    2005 1500 HD , Custom OS3 SD tune .
    2006 Trailblazer
    Dinosaurs and Plants gave their lives so that we may drive , long live fossil fuel .

  2. #2
    Lifetime Member Chevy366's Avatar
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    The reason I am asking I know for sure around where I live the Fuel is 90-10 blend .
    I looked at a stock tune but B3660 is 0 and there is no difference in the OL Fueling Standard and Ethanol values .
    2005 1500 HD , Custom OS3 SD tune .
    2006 Trailblazer
    Dinosaurs and Plants gave their lives so that we may drive , long live fossil fuel .

  3. #3
    EFILive Reseller kbracing96's Avatar
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    A 90-10e blend is close enough that the pcm can easily compensate with the trims. And not affect OL much. It only when you get up to the 15-85e That it needs to compensate.
    01 ECSB 1/2 ton 4x4 Forged 5.7 LS1 GMC

    Custom KBracing front mounted, BW S480, intercooled turbo


  4. #4
    Lifetime Member Chevy366's Avatar
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    Thanks , what I wanted to know .
    2005 1500 HD , Custom OS3 SD tune .
    2006 Trailblazer
    Dinosaurs and Plants gave their lives so that we may drive , long live fossil fuel .

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