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  1. 09-10-2011, 12:30 PM #1
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    m103114
    m103114 is offline ChalleSRT8
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    91 oct, what is the best po?wer it can achieve

    What is the most amount of power seen from straight 91 oct with no additives..just straight 91 oct, and what were the mods and boost levels??

    HEMI ORANGE '09 Dodge Challenger SRT8
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  2. 09-12-2011, 06:39 PM #2
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    m103114
    m103114 is offline ChalleSRT8
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    Anybody? I kno there's people out here with 91 oct only puttin out big numbers, like 600+
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  3. 09-22-2011, 12:35 PM #3
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    m103114
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    ...Ok
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  4. 09-22-2011, 02:24 PM #4
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    Quote Originally Posted by m103114 View Post
    What is the most amount of power seen from straight 91 oct with no additives..just straight 91 oct, and what were the mods and boost levels??
    Well, in my lawnmower, about 15 HP. What engine in what configuration did you have in mind.

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  5. 09-22-2011, 02:45 PM #5
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    higshemi-less
    higshemi-less is offline 0-60- 3.1, 13.5mpg city, 18.5mpg hwy
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    Your tuner will be the biggest variable in designing the tune for your application. I have a 11:1 419ci and from time to time I run 91 octane. Have not noticed any more st knock than running 94 octane... Not sure of hp but im somewhere around 550ish.
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  6. 09-22-2011, 02:47 PM #6
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    higshemi-less
    higshemi-less is offline 0-60- 3.1, 13.5mpg city, 18.5mpg hwy
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    Besides lots of guys on the west coast running big numbers, both NA and PA. Surely there running on 91 as well.

    Stock catback, and stock drivetrain
    Typing from a tablet, excuse typos.

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