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Thread: Ethanol questions - converting non-flex fuel to ethanol

  1. #31
    Lifetime Member BLK02WS6's Avatar
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    Is a 2003 drive-by-wire? that's the reason you need 99-02?
    GM EFI Tuner
    02 WS6 9.41 @ 143 MPH 3675#, drag radials, pump gas, through the mufflers - sold


  2. #32
    EFILive Reseller kbracing96's Avatar
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    Quote Originally Posted by BLK02WS6 View Post
    Is a 2003 drive-by-wire? that's the reason you need 99-02?
    Ya, DBW and a 1 meg PCM. Mine is the 512K pcm. There are 1 or 2 FF OS's for the 512's but nothing with a COS. I need to be able to tune for the boost too...
    01 ECSB 1/2 ton 4x4 Forged 5.7 LS1 GMC

    Custom KBracing front mounted, BW S480, intercooled turbo


  3. #33
    Lifetime Member BLK02WS6's Avatar
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    That blows...
    GM EFI Tuner
    02 WS6 9.41 @ 143 MPH 3675#, drag radials, pump gas, through the mufflers - sold


  4. #34
    Senior Member Tydriver's Avatar
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    Hey guys, I know I am late to the thread but I thought I'd donate my $.02 if ya don't mind reading.. I've seen some people questioning the hardware related to the use of E85.. Just a heads up, as far as I understand the major differences are related to the corrosive-ness of the fuel.. You CAN run e85 just fine in anything that wasn't designed for it, but for prolonged usage keep in mind it would be best to start considering swapping over to alcohol friendly pumps, fittings, senders, fuel lines etc.

    The biggest difference that I am aware of is that components that come in contact with e85 are made from stainless vs. regular steel.. (hence the increase in costs that are e85 friendly)

    I've also seen a couple of photos of guys that let e85 sit in cars that weren't designed for it and it can do some damage.. If you plan on storing the vehicle for a while consider swapping back to regular fuel a tank or so before you park the car so it doesn't sit with e85 in it for extended periods.

    I stole this photo off a GTO site:
    Click image for larger version. 

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    Todd

    1993 BMW 325is <- For Sale
    2003 Silverado LS 4x4 <--- you want to autocross what?
    2005 Avalanche 5.3L LS(EFI Live tuned) <-- my gas hog running on e85 3+ years now
    2012 Subaru Outback (wife's daily)

  5. #35
    Junior Member the_red_shark's Avatar
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    Default Ethanol questions - converting non-flex fuel to ethanol

    Good info, back when e85 talk started a few years back we were told to treat it like methanol. Seems thought it's a bit friendlier to fuel systems as every man and his dog are running it, sit in traffic and get wiffs here and thete

  6. #36
    Lifetime Member Boost's Avatar
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    Not only that but it's all the rage in 'big juice' race cars these days. I work during the day at a VW race shop and our 1000 hp Audi S4 runs E85. Also, my friend that tunes 700-900 hp imports has used E85 in just about every single digit (1/4 mile) car that he has tuned lately.

    Great thread. I remember during my GM dealer technician days having to reset the alcohol content in the '06+ Impalas with the TechII. The older guys would always ask me how to do it because the cars sometimes wouldn't run right after a fuel pump change.
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