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Thread: Gasoline vs E85 comparison video

  1. #1
    Deep state actor ☚☻☛ Agent☣Orange's Avatar
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    Gasoline vs E85 comparison video

    Interesting facts toward then end.


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    Original Gearhead pdexta's Avatar
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    Re: Gasoline vs E85 comparison video

    Cool video. I think it says a lot that they're comparing $2/gal e85 against $12/gal 114 race gas. There are certainly some drawbacks, but it's not even in competition with 93 octane.
    Scott
    2000 SE Miata ♦ 6sp, MS3X, GTX2860, E85
    2004 G35 Sedan ♦ 6sp, Uprev Osiris

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    Original Gearhead Joe Morreale's Avatar
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    Re: Gasoline vs E85 comparison video

    Makes me question the actual octane of the gas I use. Interesting to hear that lack of cooling on e85 fuel pump could lead to early failure.
    2001 SE British Racing Green - FM frame rails - FM solid sway bar - FM clutch- Mishimoto 53mm radiator - Koni SRTs - Complete MK Turbo kit with intercooler - 3'' custom exhaust - Custom door panels - Custom "shorty" console

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    Deep state actor ☚☻☛ Agent☣Orange's Avatar
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    Re: Gasoline vs E85 comparison video

    That and dissolving fuel filter elements. Makes me wonder how a tune can be effective if the fuel quality is always changing.

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    Original Gearhead pdexta's Avatar
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    Re: Gasoline vs E85 comparison video

    Quote Originally Posted by Agent☣Orange View Post
    Makes me wonder how a tune can be effective if the fuel quality is always changing.
    I've been running e85 for several years now and its been very consistent 85-86% ethanol. I did get one tank of 70%, and I try to avoid that station now.

    In a carb'd setup I'm sure ethanol content is super critical. In a fuel injected setup, an ethanol sensor is $25, and simple to install (3 wires: power, ground, linear voltage output), so tuning for a wide range of ethanol is easy as long as you have the tuning capability.
    Scott
    2000 SE Miata ♦ 6sp, MS3X, GTX2860, E85
    2004 G35 Sedan ♦ 6sp, Uprev Osiris

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  8. #6
    ✨ Senior Gearhead 3K+ SmileyFace's Avatar
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    Re: Gasoline vs E85 comparison video

    The big take away for me is the fact that E 85 will harm your fuel line standard rubber hoses, paper gas filters and wear out the fuel pump in the gas tank quicker. That leads me to my question about any benefits in running ethanol free fuel at $3+ per gallon? Scott will you have to make any changes to your fuel lines filter and fuel pump that you already have?

    The other thing is to get the best performance and boost E85 is the way to go.
    Mario E Ordonez
    SmileyFace is a 2014 MX-5 Miata NC dressed in Black Mica and Coco cinnamon leather seats.

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    🗣 Air bag 250+ D-Rail's Avatar
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    Re: Gasoline vs E85 comparison video

    For a few inexpensive hoses, a different fuel filter and a little more frequent fuel pump replacement I'm there. Bigger octane better performance, and lets face it, fuel pump access on a Miata isn't exactly a challenge. And they're not terribly expensive. Race gas octane for less than gas? You betcha! My pre Miata Mustang, (429ci) loved race gas! 112 octane but my wallet hated it! The E-85 carb was hard on my cheap yankee up-bringing but the rewards at the track were awesome! I drove the "stand betters" nuts as I went from 12 second passes down to mid 10s with tuning and timing adjustments! I'd love it here in Port Charlotte!

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