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    gordon lasiter #328's Avatar
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    unleaded or leaded fuel?

    would there be a problem using leaded high octane fuel mixed with 91 unleaded to get the desired octane.
    i currently mix .5 gallons of 114 to 5 gallons of 91octane to get a 93 octane .


  2. #2
    Wont hurt a thing on the engine... The only thing that wont like it is your 02 sensor, if you have one in, take it out when you blend leaded fuel..

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    westy's Avatar
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    Quote Originally Posted by gordon lasiter #328 View Post
    would there be a problem using leaded high octane fuel mixed with 91 unleaded to get the desired octane.
    i currently mix .5 gallons of 114 to 5 gallons of 91octane to get a 93 octane .
    wow you's can still purchase leaded fuel???

  4. #4
    gordon lasiter #328's Avatar
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    Quote Originally Posted by westy View Post
    wow you's can still purchase leaded fuel???
    114 octane is 10 bucks a gallon.......
    which is leaded. i can get a lower octane like 107 which is unleaded.

  5. #5
    hitman's Avatar
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    Quote Originally Posted by gordon lasiter #328 View Post
    would there be a problem using leaded high octane fuel mixed with 91 unleaded to get the desired octane.
    i currently mix .5 gallons of 114 to 5 gallons of 91octane to get a 93 octane .
    You should be fine just running straight 91 octane. How come you are wanting higher?

  6. #6
    gordon lasiter #328's Avatar
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    Quote Originally Posted by hitman View Post
    You should be fine just running straight 91 octane. How come you are wanting higher?
    the reason is with the r2 reprogramming r&d reccomends to run with 91 to 93 octane. and since i am doing alot of wot runs. i want to help keep the motor as cool as possible. i have run it with 91. i am also not sure what a difference it makes as far as engine temps.

  7. #7
    hitman's Avatar
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    Quote Originally Posted by gordon lasiter #328 View Post
    the reason is with the r2 reprogramming r&d reccomends to run with 91 to 93 octane. and since i am doing alot of wot runs. i want to help keep the motor as cool as possible. i have run it with 91. i am also not sure what a difference it makes as far as engine temps.
    Should not make a difference as far as engine temps. I think you will be just fine running straight 91 in it. I would do the same in my ski.

  8. #8

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    we have shell optimax in the uk which is 99 octane straight out the forecourt pump, or super unleaded which is 98 octane....

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