First GT500 in the 9s

Discussion in 'Shelby GT500 Mustang' started by Myshelby3425, Jan 2, 2020.

  1. DeadSpool

    DeadSpool Member

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    What is the stock boost on these gt500’s and what was this one hitting??
     
  2. FastCarFanBoy

    FastCarFanBoy Well-Known Member

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    Stock is 12psi.
     
  3. V00D00

    V00D00 Well-Known Member

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    Stock is 12, hard to say what psi he was seeing. He is running a 2.65 upper, good for 17 psi, but also ported blower which would drop measured psi 1-2lbs
     
  4. DeadSpool

    DeadSpool Member

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    Thanks man... I just read Lund’s reply on IG. 16 when doing that pass and a little bit higher when it was on the dyno.
     
  5. BlackandBlue

    BlackandBlue Well-Known Member

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    On that last run in the video the shifts sounds lazy.

    Sounded like the shifts engaged slipped for a split second and finally pulled the Rpm down after some torque was removed.
     
  6. Hi-PO Stang

    Hi-PO Stang Well-Known Member

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    I want to see the battery moved to the trunk and then see the quarter mile times.
     
  7. FruityJudy

    FruityJudy Well-Known Member

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    On the first pass I watched it sounded like it was cutting fuel on the shifts, the rest of the passes it sounded like that was no longer the case. Was that changed in the tune?
     
  8. Stage_3

    Stage_3 Well-Known Member

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    I think they're running these times in manual mode. Either DRAG or TRACK mode for some reason. Maybe because of the DCT? I'm not sure.
    Also, I think the torque management is holding the car back still. Hopefully they get that issue figured out.
     
  9. V00D00

    V00D00 Well-Known Member

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    I can only speak on 2 things:
    1- i made it known that best mph will come from manual and trackmode shifts, especially at 8k, or 8200 as i think they are doing
    2- i would take everything any camp says with a grain, as some are more likely to put out false or half-truthed information, especially this early in the game.

    Development and shop cars, by nature, are not cared for like our personal cars and there is a ton of $$ on the table if a few wisely chosen statements can sway opinions 1 way or the other. Look for in depth reviews and tech data and results
     
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  10. gmd2003

    gmd2003 Well-Known Member

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    Very true , I sure as hell won’t be spinning mine to over 8k , in my opinion it’s a very bad idea and is only in play due to the tq management limiting gains at normal revs ..... won’t last on a track over revving under hard use . The only reason for Ford choosing 100 psi oil pressures is they are unsure of the bearings still.
     
  11. ShelbySnake

    ShelbySnake Member

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    Once tuners can adjust launch rpm and calibrate the trans, Im sure a car with these mods will be deep in the 9’s.
     
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  12. Stage_3

    Stage_3 Well-Known Member

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    Absolutely brother!!!
    Big monies on the table.
     
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  13. MaskedRacerX

    MaskedRacerX Driver

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    You've still got your shipping protectors on, hahaha ... !
     
  14. IceAge

    IceAge Well-Known Member

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    I own a Redeye and the difference of the Torque Converter in the A8 versus the GT500 DCT not having one is the issue imo.
    EE421097-7233-460E-AD3C-7032223B8B27.jpeg
     
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  15. biminiLX

    biminiLX Well-Known Member

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    So the rule is anything reducing restriction before the blower rotors should INCREASE boost and anything reducing restriction after the blower should REDUCE boost.
    For example, increasing the TB size will increase boost, while removing the cats will reduce boost.
    The blower elbow behind the TB and before the rotor pack seems to be the biggest restriction from what I’ve seen.
    It’d be interesting to see what porting gains Kong found.
    I was assuming someone will eventually make an ‘elbow’ to replace the stock piece.
    It will be complicated, but running a huge TB and reducing rotor pack would be worth it for max power.
    On second thought, I’ll just take the 3.8 Whipple :)
    -J
     
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