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Thread: Warning for JDM Subaru Impreza WRX owners

  1. #81

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    Haven't read through the entire 8 pages.
    But from my MR2 JDM swap knowledge...
    93 will be sufficient for a stock ECU that calls for JDM 100.
    Wikipedia has a really good octane "translator"

    en.wikipedia.org/wiki/Octane_rating

    If you are worried about detonation levels or want to "BOOST" octane (newbs...DO NOT confuse this with turbo usage, or higher detonation levels increasing horsepower!!!)
    To reduce the possibility of knock you can create your own race gas.
    It is a composition of pump with "common" paint thinners. (they are common to painters.) Some versions are purchasable through home depot, others are special order through paint stores.
    I have chosen Toluene.
    The price of it is large and you can...BUT DO NOT run on this alone.
    en.wikipedia.org/wiki/Toluene

    Anyway....pump 93 is fine. Don't be scared.
    Octane is knock resistance....not more power.
    (the possibility of detonation without spark)

  2. #82

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    Very interesting info BinaryDriver, are there any special requirements to safely use Toluene and is it hard on the fuel system/injectors/lines/pump etc?
    There is some debate if 94 R+M/2 really is the same as 100RON because there are some experiences that suggest cars were not detonating in Japan on 100RON but were in the US on 94 R+M/2.

  3. #83

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    Scroll down to second chart to see approximate relation between RON, MON and PON (R+M/2).

    http://thoms1.net/Ford/Reference/RONMONPON.html
    GC8. Think. Feel. Drive.

  4. #84

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    If I'm reading this right petro says 94 w/ ethanol is equal to 101.5 RON

    http://retail.petro-canada.ca/en/ind...20stand%20for?

  5. #85

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    Quote Originally Posted by Adverse View Post
    If I'm reading this right petro says 94 w/ ethanol is equal to 101.5 RON

    http://retail.petro-canada.ca/en/ind...20stand%20for?
    That's what it seems to say. If only we got higher then 91 in the Maritimes.
    93 GC8A 5spd Graphite Gray Pearl! (SOLD)
    04 SG5 Manual Forester XT
    97 JZX100 5spd Toyota Chaser Tourer V!

  6. #86

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    Quote Originally Posted by Speed Stick View Post
    That's what it seems to say. If only we got higher then 91 in the Maritimes.
    Yes! and it's not even worth the 142.9 they are charging for it! urg...
    - 1996 Honda Integra J32, ITR Clone -
    - 1992 Honda Civic SI K20a2 Turbo -

  7. #87

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    Quote Originally Posted by rhdgc8 View Post
    Yes! and it's not even worth the 142.9 they are charging for it! urg...
    1.419L is the price for 87 here! Maritimes taxes fuel hard. Its insane as I'm from Alberta.
    93 GC8A 5spd Graphite Gray Pearl! (SOLD)
    04 SG5 Manual Forester XT
    97 JZX100 5spd Toyota Chaser Tourer V!

  8. #88

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    Man this information is simply marvelous. I'm really glad I found this forum.

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