Thread: e85 swap questions

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  1. #1 e85 swap questions 
    GTP Level Member 04lss's Avatar
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    Hi, so i have a 1997 GTP, and i have heard that switching to e85 is good for a few pulley size drops and good increase in HP.
    what do i need to do to swap? I have read that several people have just stuck the 42# injectors in the cars without a tune. Since the increase in flow from the new injectors and the increase in fuel needed for e85 is the same you dont need the tuen. I would have thought this would require a tune to account for any small differences.
    any thougths?
    I have also seen several people ask about the fuel tank with e85 questions. What is the necessary fuel tank to run e85, and what comes in a 97gtp?
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  2. #2 Re: e85 swap questions 
    GXP Level Member darkhorizon's Avatar
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    My 97 works fine. The metal tank will be fine. Get ready to do fuel pump mods to keep up with the extra demand.
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  3. #3 Re: e85 swap questions 
    GTP Level Member 04lss's Avatar
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    did you have to get it tuned? what injectors are you running?
    Thanks for the info about the pump and the tank.
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  4. #4 Re: e85 swap questions 
    GXP Level Member darkhorizon's Avatar
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    Stock tune. 3.2 pulley. Stock exhaust. 42.5# injectors.
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  5. #5 Re: e85 swap questions 
    GrandPrix Junkie Bluemagic's Avatar
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    Damn, no tuning at all? Well let's see how my e85 Conversion goes.
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  6. #6 Re: e85 swap questions 
    GTX Level Member SnowTh1ef's Avatar
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    No, if you do 42.5 lb injectors, you don't need a tune. The pcm doesn't know you put 30% bigger injectors in, so it injects 30% more fuel. Which is what you need for e85. If you don't do 42.5 lb injectors, you need a tune.
    04 GTP -HAI, 1.9 rockers.
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  7. #7 Re: e85 swap questions 
    GrandPrix Junkie Bluemagic's Avatar
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    Good to know. Any precautions to be aware of? And sorry for thread jacking op
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  8. #8 Re: e85 swap questions 
    GTX Level Member SnowTh1ef's Avatar
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    Less mpg? Moar tire spinning? thats about it. lol
    04 GTP -HAI, 1.9 rockers.
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  9. #9 Re: e85 swap questions 
    GrandPrix Junkie Bluemagic's Avatar
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    Lol thanks man. I'm going to do this next month after I pay some bills.
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  10. #10 Re: e85 swap questions 
    Solving problems BrandonHall10's Avatar
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    This just moved to the top of my mod list! With a walbro 255 already in the tank, I should be good to go.

    On the hunt for a good set of used 42.5# injectors!
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  11. #11 Re: e85 swap questions 
    Schooner Tuner ADrugDealer's Avatar
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    E85 is amazing.
    2008 G8 GT - IOM - LSA Blower, Intercooled, Ported Heads, Cam, Flex Fuel Conversion, Tuned - 550whp - 11.5 @ 124 -
    2000 Regal - Winter Beater
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  12. #12 Re: e85 swap questions 
    Solving problems BrandonHall10's Avatar
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    Short story;
    When we lived in Michigan, I burned corn to heat our house. That is, until the government started subsidizing e85 and the price of corn TRIPLED!! I hated the whole e85 thing.

    If it's as great as everyone says it is, I might change my mind...
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  13. #13 Re: e85 swap questions 
    Donating Users 16MustangVet's Avatar
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    You could always drive a prius.......... That would leave more gas for the rest of us.
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  14. #14 Re: e85 swap questions 
    Schooner Tuner ADrugDealer's Avatar
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    LOL! There is no if in that statement. Its amazing. End of story.
    2008 G8 GT - IOM - LSA Blower, Intercooled, Ported Heads, Cam, Flex Fuel Conversion, Tuned - 550whp - 11.5 @ 124 -
    2000 Regal - Winter Beater
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  15. #15 Re: e85 swap questions 
    Solving problems BrandonHall10's Avatar
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    Quote Originally Posted by 98ChainStretcher View Post
    You could always drive a prius.......... That would leave more gas for the rest of us.
    Haha! I could not drive a prius.

    Quote Originally Posted by adecker View Post
    LOL! There is no if in that statement. Its amazing. End of story.
    Can't wait!
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  16. #16 Re: e85 swap questions 
    Schooner Tuner ADrugDealer's Avatar
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    It all makes sense from a chemical standpoint... go get rubbing alcohol and put some on the back of your hand... blow on it...tell me what you feel... same thing in a cylinder...
    2008 G8 GT - IOM - LSA Blower, Intercooled, Ported Heads, Cam, Flex Fuel Conversion, Tuned - 550whp - 11.5 @ 124 -
    2000 Regal - Winter Beater
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  17. #17 Re: e85 swap questions 
    GXP Level Member 91parkave's Avatar
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    Quote Originally Posted by BrandonHall10 View Post
    Haha! I could not drive a prius.



    Can't wait!
    And you can always come down here, I have HP tuners so I can get you setup on corn, theee s a lot of places in tuscon that sell e85 too
    06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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  18. #18 Re: e85 swap questions 
    Solving problems BrandonHall10's Avatar
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    Quote Originally Posted by 91parkave View Post
    And you can always come down here, I have HP tuners so I can get you setup on corn, theee s a lot of places in tuscon that sell e85 too
    I live less than 4 miles and 8 minutes from the nearest e85 station. I'm going to have to do the conversion soon!

    I was thinking of doing the 42.5 injectors so I didn't have to tune right away. Do the injector swap, and a pulley drop. Run that for a while to save up for my own tuner. I will probably hit you up for some tuning advice once I get there though.
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  19. #19 Re: e85 swap questions 
    GTP Level Member 04lss's Avatar
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    Quote Originally Posted by BrandonHall10 View Post
    I live less than 4 miles and 8 minutes from the nearest e85 station. I'm going to have to do the conversion soon!

    I was thinking of doing the 42.5 injectors so I didn't have to tune right away. Do the injector swap, and a pulley drop. Run that for a while to save up for my own tuner. I will probably hit you up for some tuning advice once I get there though.
    Thats my plan, maybe headers, and then work on my handling (swaybars etc) until i get my taxes back and go turbo .
    there's only one e85 station here close to my house, but the owner is running it in his car
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  20. #20 Re: e85 swap questions 
    Donating Users 16MustangVet's Avatar
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    1 station is all you need. Ive only got 1 station that sells E85 inside the DC metro beltway and its worth the hassle to go get it. I usually just go get it at night like 9pm when I need. The gains are certainly worth it. Unless you live in a metro area I doubt having only 1 station would be an issue.
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