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Thread: how much boost can my 7mgte handle

  1. #1

    Question how much boost can my 7mgte handle

    how much can it handle with these mods done give me a ball park figure
    550 injectors
    arp head studs
    1.2 metal head gasket
    lexus afm
    sp61gt ball bearing turbo
    fcon fcd and safc ?
    what would be the safe but reasonable boost level how much boost can i run?/?
    90mk3 rebuilt 7mgte targa top Titan motorsports hg arp head studs Greedy intercooler Megan 3" down pipe to 3" all the way back custom exhaust.
    09 challenger rt pushing 462 hp diablo programmer k&n cold air dynatech headers magna flow exhaust pirelli dot street radials jet chip
    05 hummer h2 sitting on 40x15.50x22r 6inch fabtech lift magna flow exhaust
    newest addition
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  2. #2
    Regular Member
    nightrider760's Avatar
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    Default Re: how much boost can my 7mgte handle

    Look at the old website of www.7mpower.com and most of them will hold ad much as 430hp beetwen 18 to 20 psi depending on the turbo and mods and again tunning

  3. #3
    Regular Member
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    Default Re: how much boost can my 7mgte handle

    sorry that website its unavailable i just checked

  4. #4
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    Default Re: how much boost can my 7mgte handle

    A safe reasonable level to start with I'd say 12psi on stock electronics. Although be careful with the FCD as you won't hit fuel cut (a safety measure) and may harm your motor if you exceed your fuel map.

  5. #5
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    Default Re: how much boost can my 7mgte handle

    Fuel pump? Fuel pressure regulator? Intercooler? Hardpipes?

    PSI number are meaningless. Horsepower numbers are somewhat reasonable.

  6. #6
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    Default Re: how much boost can my 7mgte handle

    45psi.

  7. #7

    Default Re: how much boost can my 7mgte handle

    Aftermarket 2.5 pipes 3 inch elbow 3 inch dp apr and 255 wal pump
    90mk3 rebuilt 7mgte targa top Titan motorsports hg arp head studs Greedy intercooler Megan 3" down pipe to 3" all the way back custom exhaust.
    09 challenger rt pushing 462 hp diablo programmer k&n cold air dynatech headers magna flow exhaust pirelli dot street radials jet chip
    05 hummer h2 sitting on 40x15.50x22r 6inch fabtech lift magna flow exhaust
    newest addition
    05 audi 3.0 a6 biturbo awd

  8. #8
    GT45 O MY GOD
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    Default Re: how much boost can my 7mgte handle

    25pounds good tunning
    SUPRA MONSTER

  9. #9
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    Default Re: how much boost can my 7mgte handle

    The main limiting factor IMO would be the fuel you run. Race gas will do very well, but its freaky expensive. Pump gas is much more limiting as far as boost/timing goes in my experience. (fyi, I love, love, love E-85, but I also live in MN...land of corn)
    -Steve
    91 Supra- built 7M, Billet 67, AEM. Ya know, the 'wrong' engine...
    Best dyno: 788hp, 674tq @ 31psi on E-85.
    Best 1/4 mile: 11.366 @ 130.52

    My build thread: The Toyotanos Build!

  10. #10
    Supra Tuner
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    Default Re: how much boost can my 7mgte handle

    Quote Originally Posted by 19907mgte View Post
    how much can it handle with these mods done give me a ball park figure
    550 injectors
    arp head studs
    1.2 metal head gasket
    lexus afm
    sp61gt ball bearing turbo
    fcon fcd and safc ?
    what would be the safe but reasonable boost level how much boost can i run?/?
    what internals are you running? I have this same setup going into my car right now and I'm curious on this

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