Thread: e85 cold start

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  1. #1 e85 cold start 
    Donating Users gtpsleeper's Avatar
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    With it cooling down it is getting difficult to start my car with e85 (which I new was gonna happen) you guys just adding some spark? Fuel? Both?
    "My car is a racecar like Planet Fitness is a gym...."

    proud mark VIII victim!!! suck it...
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  2. #2 Re: e85 cold start 
    GrandPrix Junkie PurpleGuy's Avatar
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    I think you'd need more spark. Adding more fuel is prob gonna drown the plugs and actually make it harder to start....but what do I know? I'm still researching this stuff lol.
    2001 Regal GS, PLOG, 3" DP, 1.9's/L76 springs. 21* of timing on a 3.4"
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  3. #3 Re: e85 cold start 
    youtu.be/xhrBDcQq2DM FoSHO99's Avatar
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    Standard should be switching to 04 timing tables when doing E85.

    That and if you get into tiny tuner start playing with crank or start up fueling.
    2001 GTP PT61 Turbo, E85, Stock Motor
    2011 Chevy Cruze MT6 1.4L Turbo
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  4. #4 Re: e85 cold start 
    Donating Users gtpsleeper's Avatar
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    I couldn't get tiny tuner going... Can't figure it out with HPtuners...
    "My car is a racecar like Planet Fitness is a gym...."

    proud mark VIII victim!!! suck it...
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  5. #5 Re: e85 cold start 
    GXP Level Member darkhorizon's Avatar
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    i never really had to mess with it... never had problems as long as it was warmer than -10f out.
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  6. #6 Re: e85 cold start 
    The Blue One blueguy's Avatar
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    Brian is having issues with his car cold starting, Jarred.

    Might ask him if you haven't.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  7. #7 Re: e85 cold start 
    The mod from over yonder TheOtherNick's Avatar
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    Move up a heat range in plugs.
    01 gtp-big cam e85 dd 78dodge- guzzling fuel 05 cummins- rollin coal
    SMGPFC Two Nipple General
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  8. #8 Re: e85 cold start 
    Donating Users gtpsleeper's Avatar
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    Quote Originally Posted by TheOtherNick View Post
    Move up a heat range in plugs.
    I thought about that... did it make a difference for you?
    "My car is a racecar like Planet Fitness is a gym...."

    proud mark VIII victim!!! suck it...
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  9. #9 Re: e85 cold start 
    Bastard Reptile's Avatar
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    Quote Originally Posted by bluegtp91 View Post
    Brian is having issues with his car cold starting, Jarred.

    Might ask him if you haven't.
    Not that I've had a chance to mess with it or anything lately.
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  10. #10 Re: e85 cold start 
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    maybe hotter plugs?
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  11. #11 Re: e85 cold start 
    GT Level Member jdmgtp's Avatar
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    hotter plugs might help. Adding fuel helps too. Couldn't get a quick startup under 50* no matter what I did with the tune. Didn't care much either.
    2000 GTP, 3.2 pulley, SD headers, 3" exhaust, modded 1.9's, custom CAI, LS6 maf, ported blower/ TB, HPT, 65 lb injectors, E85 in the summer, LM-1 wideband, 180 stat, autolite 104's, GMHD suspension kit. 13.2@104 on street tires w/o ported s/c
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  12. #12 Re: e85 cold start 
    GXP Level Member darkhorizon's Avatar
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    Tried starting my fiero last night in 15 degree weather...

    Turns out it was a bit rich and it really struggled.... although I do have 105# injectors. I would suggest making your really low coolant temp open loop AFR numbers quite a bit leaner.
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