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Roush supercharge 5.0

Discussion in 'VMP Performance' started by ROYAL, Aug 9, 2017.

  1. ROYAL

    ROYAL New Member

    Messages:
    8
    Joined:
    Jul 27, 2017
    Hello ,

    My mustang 2014
    5.0
    Manuel
    3.73
    I install ROUSH supercharge 2.3

    Now after tune
    My tuner give 7000 RPM limit
    Is that good or not ?
    I thank it is need more RPM for to get more breath
    Because my shifts finish very quickly
    My top speed 235 at the 5th

    Which limit for RPM until safety ?

    And do you advise me to change
    my 3.73 to small ratio like 3.31 or 3.27


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  2. 5lho

    5lho Active Member Established Member

    Messages:
    985
    Joined:
    Mar 14, 2012
    Location:
    Point Roberts
    Stock intake manifold? I'd say you are fine. Even supercharged, the stock manifold is unsuited to revs much over 7000. I would not rev a coyote over 7000, especially supercharged, unless I'd done the oil pump gear first.

    3.73s are useless with a positive displacement blower, yes. Less gear will allow you to put the power down more easily and leave you more headroom at the end of the 1/4.
     
  3. ROYAL

    ROYAL New Member

    Messages:
    8
    Joined:
    Jul 27, 2017
    If u are mean the intake manifold it come with supercharge yes

    I want it for street race not drag
    Which one is the best
    3.31 & 3.27 & 3.55


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  4. ricardoa1

    ricardoa1 Member Established Member

    Messages:
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    Mar 22, 2004
    Location:
    Boston, MA
    Bump it up to 7500 or 8000 shift at 7000 and stay off the limiter so you don't hurt the oil pump gears and go down in gear for a better driving experience


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  5. 5lho

    5lho Active Member Established Member

    Messages:
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    Joined:
    Mar 14, 2012
    Location:
    Point Roberts
    Duh, reading too quickly. Of course your PD has its own manifold. Where the f*ck is my head at?

    With low traction on the street and with street rubber, I'd suggest going down to 3.31. Widely available and cheap.
     
  6. Famine

    Famine Well-Known Member Established Member

    Messages:
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    Jun 10, 2013
    Location:
    Moncks Corner, SC
    331. Do opg and cs for higher
     

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