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  1. #1
    Redrockat's Avatar
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    300 charger with 142mm wheel in a 4-tec

    Opinions on running a 300 charger with a 142mm wheel in a 4-tec 260 .
    Currently running 68-140 with all supporting mods .


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    Sanfish's Avatar
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    Quote Originally Posted by Redrockat View Post
    Opinions on running a 300 charger with a 142mm wheel in a 4-tec 260 .
    Currently running 68-140 with all supporting mods .
    You can run pump gas with a 68-140, but with the 142 for the 300, it would be foolish not to run E85/race gas.

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    Redrockat's Avatar
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    But I can keep the revs lower like 8200-8400 with more boost so that I don't spin the motor that hard . I like the idea of the new charger that's more reliable ...

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    Redrockat's Avatar
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    How would the Xx 135 wheel compare to the 68-140 ?

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    Sanfish's Avatar
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    Quote Originally Posted by Redrockat View Post
    But I can keep the revs lower like 8200-8400 with more boost so that I don't spin the motor that hard . I like the idea of the new charger that's more reliable ...
    I hope you have a data logger if you plan to use the 142 wheel on pump gas

    While BRP built the 300 SC to be more reliable, that's with stock (balanced) 135 wheel. While I'm sure it will be more reliable (short/mid term), the old SC can be rebuilt where the 300 SC will need to be replaced since its "not serviceable."

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    Redrockat's Avatar
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    Data logger I have yes ... ����

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    Quote Originally Posted by Redrockat View Post
    How would the Xx 135 wheel compare to the 68-140 ?
    ET135 will give you 2-3 mph gain up top compared to 68-140 all other things equal.

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    Quote Originally Posted by ptscon View Post
    ET135 will give you 2-3 mph gain up top compared to 68-140 all other things equal.
    so, the "performance difference" going from an et140 to an et135 is similar to the change from an xcharger to an et140? I too am planning on doing a 300 charger setup this coming season-- nice to know what to expect as there are lots of opinions with few back to back tests going on.

  9. #9
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    i currently run the 300 setup on my 4tec with the 23lb wheel, i run the setup on pump gas and afrs are controlled around 11.8-12.0

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    Redrockat's Avatar
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    Quote Originally Posted by JPsGP1200R View Post
    i currently run the 300 setup on my 4tec with the 23lb wheel, i run the setup on pump gas and afrs are controlled around 11.8-12.0
    awesome and what was the boost like ? Are you happy with the results ?

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