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Thread: How many running E85?

  1. #1
    Club Member dline's Avatar
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    Default How many running E85?

    thinking of giving it a go, with my 13 mile commute to work, found it for 2.49 today. 87 octane normal gas was 3.19

    I know lots like the performance, don’t care about that part
    Last edited by dline; 07-01-2021 at 03:50 PM.
    15 Wrangler
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    It works out to be about the same cost Dave because of the lower fuel economy with the E85. But give it a try and see what you think.

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    Club Member wrath's Avatar
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    My truck doesn't have enough injector in it to run it well, but it's not "E85" capable due to the tiny injectors, but I just throw a tune on it. Fuel economy was abysmal. Like 35% off.

    My parents use it on and off. Takes about 3/4 of a tank to run well and they average 20-25% reduction in fuel economy as well.

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    Forum Member fatblock's Avatar
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    I use it in my flex fuel silverado.The knock sensors go silent and the timing returns to full vs 87 octane.This closes the gap up with the mpg debate.I would say its a wash dollar wise.

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    Elected Club Official 2001-WS6's Avatar
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    So remember it takes 30% more fuel to generate the same HP. So as Dave mentioned, it might not be as cheap as it sounds. If you're flex fuel capable it may be worth trying to see. If not, you need to add a flex fuel sensor and update your tune for it if you're pcm is capable. Motion Raceworks makes a nice mount/Chassis to insert a GM flex fuel sensor. the mount is -10 but you can put the right size ORB/AN fittings in to splice it into your fuels system... according to a friend.
    01 Black on Black Trans Am WS-6... hrrmmmmmmm it might be a barn find????

  6. #6
    Club Member dline's Avatar
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    I gave it a shot, 3.6 has yellow gas cap
    15 Wrangler
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    Forum Member ultradriver10000's Avatar
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    Quote Originally Posted by fatblock View Post
    I use it in my flex fuel silverado.The knock sensors go silent and the timing returns to full vs 87 octane.This closes the gap up with the mpg debate.I would say its a wash dollar wise.
    Same for me

  8. #8
    Club Member loosenut's Avatar
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    I use it in my Buick but for a much different reason.
    -Andy


    1986 Buick GN Its just a V6
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    Elected Club Official 2001-WS6's Avatar
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    Working on that same math for a future fire up sequence. I own are barn find lol.
    01 Black on Black Trans Am WS-6... hrrmmmmmmm it might be a barn find????

  10. #10
    Forum Member ultradriver10000's Avatar
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    I also use it in my 427lsx F1x vette lol but yeah for go fast reasons

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