HP/boost limits of stock intake manifold?

Discussion in '2005+ Mustang GT 4.6L Tech' started by GT500KR, Jul 8, 2015.

  1. GT500KR

    GT500KR forum member

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    tried searching but either came up with nothing or got a fatal error.

    anyways looking to see what the HP and boost limits are on the stock intake manifold. is it so bad that one would need a FRPP intake... especially one that flexes?? :/

    looking to build a turbo setup and i am doing my research into what i need.

    thanks for everyone's help.
     
  2. stkjock

    stkjock ---- Madmin ---- Staff Member Administrator Super Moderator S197 Team Member

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    Last edited: Jul 8, 2015
  3. blownGTvert

    blownGTvert forum member

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    My friends built 09 ran 25 psi on a stock intake manifold without issue. He's currently using the FRPP manifold at 30 psi.
     
  4. JeremyH

    JeremyH 3V Fuel Guru S197 Team Member

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    We have ran 1000rwhp and 23psi through one. But soon upgrading.
     
    boostedtrauma likes this.
  5. Waakeeen

    Waakeeen Junior Member

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    I’m just going around resurrecting old threads lol. I working on my build, 302 forged block, stage 3 heads, stage 2 cams. So I’m on the fence regarding the stock intake manifold, I aiming for 22-25psi and whatever hp that comes with it so after reading this thread I’m thinking my stock intake should hold up fine, right?
     
  6. JeremyH

    JeremyH 3V Fuel Guru S197 Team Member

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    Yeah. Delete the charge motion valves.
     
    boostedtrauma likes this.
  7. Waakeeen

    Waakeeen Junior Member

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    Oh yeah for sure they've been removed already when I installed the supercharger. With the market lacking intake manifolds for the 3v I figured might as well keep the one I got.
     
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