Thread: E85 Cold Starts-- How bad are they?

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  1. #1 E85 Cold Starts-- How bad are they? 
    GTP Level Member 04lss's Avatar
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    I want to run e85 on the GTP, but there is one thing that worries me.
    The GTP is my backup car, and is intended to be my Snow vehicle, because The GP are tanks in snow, and I don't want to drive my 2015.
    Ive heard cold starts are rough on e85, how bad are they? is it hit or miss if your going to get it started or does it take a little more cranking?

    I have DHP so I can tune it for e85. I live in VA and temps last winter got to around 0*F but usually stay in the 10s, 20s or 30s

    Im hoping to catch a good deal on BF for some injectors.
    2017 GTI 6mt 320whp 400wtq , 2012 Volvo S60 T6 300hp of Swedish safety, (Sold) 2019 Ford Mustang GT. 460 screaming eagles. 2004 Buick Regal GS "Gramps" Intercooled, corn fed, ported g3 m90, 1.9 rockers, 80# injectors.
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  2. #2 Re: E85 Cold Starts-- How bad are they? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Hard.

    YOu can only tune the 3800 pcm so much, there arent really enough tables that you can change to help with the starting issues.

    Having a block heater or something similar on the car might make it easier but I wouldnt want to run it in the cold winter.

    SMGPFC Member #1
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  3. #3 Re: E85 Cold Starts-- How bad are they? 
    GTP Level Member 04lss's Avatar
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    so I should really wait until the spring, or pony up for the intercooler?
    2017 GTI 6mt 320whp 400wtq , 2012 Volvo S60 T6 300hp of Swedish safety, (Sold) 2019 Ford Mustang GT. 460 screaming eagles. 2004 Buick Regal GS "Gramps" Intercooled, corn fed, ported g3 m90, 1.9 rockers, 80# injectors.
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  4. #4 Re: E85 Cold Starts-- How bad are they? 
    SE Level Member keatonregal's Avatar
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    E85 goes to **** in the winter and sub zero starts on stock motors are hard to begin with. I was thinking about switching back in September but decided against it (Im set up to run it, just need a tune). Having even worse milage, poor performance, and having to pulley up in the winter just sounds way to ****ty to even think about switching in December
    1999 Buick Regal "Betty White"
    NIC Cam FSIC E85 Built Trans Flaky Paint

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  5. #5 Re: E85 Cold Starts-- How bad are they? 
    GTP Level Member 04lss's Avatar
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    I will probably wait then, and add an intercooler at tax time.
    2017 GTI 6mt 320whp 400wtq , 2012 Volvo S60 T6 300hp of Swedish safety, (Sold) 2019 Ford Mustang GT. 460 screaming eagles. 2004 Buick Regal GS "Gramps" Intercooled, corn fed, ported g3 m90, 1.9 rockers, 80# injectors.
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  6. #6 Re: E85 Cold Starts-- How bad are they? 
    Solving problems BrandonHall10's Avatar
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    You have a tuner, right? Get a spare PCM and do some experimenting.

    http://www.grandprixforums.net/threa...ur-car-for-e85

    See the "How to fix E85 cold starts regardless of how you choose to tune your car" section.
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  7. #7 Re: E85 Cold Starts-- How bad are they? 
    SE Level Member keatonregal's Avatar
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    Quote Originally Posted by 04lss View Post
    I will probably wait then, and add an intercooler at tax time.
    I have the same plan...
    1999 Buick Regal "Betty White"
    NIC Cam FSIC E85 Built Trans Flaky Paint

    Ported Aluminum Coolant Elbows
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  8. #8 Re: E85 Cold Starts-- How bad are they? 
    Bastard Reptile's Avatar
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    They're tempermental for sure. I've got to feather the throttle for a bit before it idles right, but once it's started, it runs.
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  9. #9 Re: E85 Cold Starts-- How bad are they? 
    Awesome Level Member chrsmi1's Avatar
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    I live in NC and still had problems with cold starts. Like 20-30* and I have to give it gas to get it started. But then again, E85 is like GTP crystal meth, so....
    Comp G. E85, 2.8, Headers, Tune, Intake, S1X, 105# springs, 60 # injectors, 255 walbro,etc.

    *NEW* 2002 Camaro Z28- Lid, Headers, Catback

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  10. #10 Re: E85 Cold Starts-- How bad are they? 
    GTP Level Member 04lss's Avatar
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    well I was thinking about it, in order to fully utilize an intercooler with a 3.0 id need injectors anyway.
    So I figure ill buy them, tune for e85 if it works then awesome, if it doesn't, then no loss except some time.
    2017 GTI 6mt 320whp 400wtq , 2012 Volvo S60 T6 300hp of Swedish safety, (Sold) 2019 Ford Mustang GT. 460 screaming eagles. 2004 Buick Regal GS "Gramps" Intercooled, corn fed, ported g3 m90, 1.9 rockers, 80# injectors.
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  11. #11 Re: E85 Cold Starts-- How bad are they? 
    GXP Level Member GTPpower's Avatar
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    We have similar temps here. I would usually switch back to premium fuel once the temp in the morning was around 20°. It just starts too hard when it's that cold.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  12. #12 Re: E85 Cold Starts-- How bad are they? 
    The Blue One blueguy's Avatar
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    I'm gonna let my bucket sit outside all year.

    **** what you heard.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  13. #13 Re: E85 Cold Starts-- How bad are they? 
    GT Level Member atj8's Avatar
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    Also had issues starting. Switched back to 93 yesterday.
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  14. #14 Re: E85 Cold Starts-- How bad are they? 
    Bastard Reptile's Avatar
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    Never had an intercooler, never planned on it. Never happier. LOL
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  15. #15 Re: E85 Cold Starts-- How bad are they? 
    The Blue One blueguy's Avatar
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    Quote Originally Posted by atj8 View Post
    Also had issues starting. Switched back to 93 yesterday.
    lol, lame
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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