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Thread: Will I be ok? No intercooler.

  1. #1
    turbo addict
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    Will I be ok? No intercooler.

    Ok, Ive got a stage 3 glhs cal from FWDperformance and wont be able to intercool the car till next week. Will I be safe at 15 PSI and 93 octane fuel? I really need to know this cause I dont want to blow anything up.

  2. #2
    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanmanČ's Avatar
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    Re: Will I be ok? No intercooler.

    NO, turn it down, I would run 7-8 ish until you get one. Listen for knock.
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

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  3. #3
    Hoosier Daddy?? Turbo Mopar Staff Clay's Avatar
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    Re: Will I be ok? No intercooler.

    Yeah, listen to Carlton!
    Clay
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  4. #4
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    Re: Will I be ok? No intercooler.

    I dont have a boost controller though, and I cant get one for a couple days.

  5. #5
    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanmanČ's Avatar
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    Re: Will I be ok? No intercooler.

    Quote Originally Posted by 1984rampage View Post
    I dont have a boost controller though, and I cant get one for a couple days.
    Then plum the wastegate to manifold vacuum, this will give you aprox 4-5 psi.
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info

  6. #6
    turbo addict
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    Re: Will I be ok? No intercooler.

    But 4-5 PSI is REALLY WEAK.

  7. #7
    Mitsu booster Turbo Mopar Contributor
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    Re: Will I be ok? No intercooler.

    Do you have a stock or any milder cal you can use for a week?

  8. #8
    turbo addict
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    Re: Will I be ok? No intercooler.

    No, Y?

  9. #9
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    Re: Will I be ok? No intercooler.

    The cal is a custom one for the 2.5 I put in. But its for 15psi and cant intercool it until I get a shroud made for my radiator.

  10. #10
    boostaholic
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    Re: Will I be ok? No intercooler.

    Do what Simon said or melt your first piston. 4-5 psi for a week is a mild sacrifice compared to rebuilding your 2.5 already. Or you could simply modify the throttle pedal actuator a little.......

  11. #11
    Mitsu booster
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    Re: Will I be ok? No intercooler.

    So run the 4-5 off the mainifold, or are you in a race everyday you drive.

  12. #12
    Mitsu booster
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    Re: Will I be ok? No intercooler.

    Quote Originally Posted by 87glhs232 View Post
    Do what Simon said or melt your first piston. 4-5 psi for a week is a mild sacrifice compared to rebuilding your 2.5 already. Or you could simply modify the throttle pedal actuator a little.......
    +1 beat me to it damm TV
    Last edited by Anthonytad1985; 01-08-2008 at 12:01 AM.

  13. #13
    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanmanČ's Avatar
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    Re: Will I be ok? No intercooler.

    Quote Originally Posted by 1984rampage View Post
    But 4-5 PSI is REALLY WEAK.
    So is rebuilding the engine.
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info

  14. #14
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    Re: Will I be ok? No intercooler.

    Quote Originally Posted by Anthonytad1985 View Post
    So run the 4-5 off the mainifold, or are you in a race everyday you drive.
    He's 16...

  15. #15
    turbo addict
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    Re: Will I be ok? No intercooler.

    Im just gonna take it really easy. As I dont have any vacuum line to plumb it straight to the wastegate.

  16. #16
    Garrett booster
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    Re: Will I be ok? No intercooler.

    hehe. I do agree to listen to the "veterans" here, however, I ran 14.5psi on my non-intercooled 2.5 for 75,000 HARD driven miles with no problems. The grainger was actually my only mod other than a full 2.5" exhaust.

    Guess you could say I got lucky!

  17. #17

    Re: Will I be ok? No intercooler.

    Quote Originally Posted by 1984rampage View Post
    Im just gonna take it really easy. As I dont have any vacuum line to plumb it straight to the wastegate.
    I tried that too when I was younger (I'm now 21). After that first giant mistake I learned that it's far easier to rig the car to make no power by pulling off the wastegate actuator arm then spend a ton of money all over again. It's a tough enough fix on an L body that you don't want to do it very often on the side of the road, so it kept me out of trouble for a while.

  18. #18
    Buy my stuff!!!!!!!!!!! :O) Turbo Mopar Vendor turbovanmanČ's Avatar
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    Re: Will I be ok? No intercooler.

    Quote Originally Posted by 1984rampage View Post
    Im just gonna take it really easy. As I dont have any vacuum line to plumb it straight to the wastegate.
    Parts stores have plenty, its only like 25 cent a foot,
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info

  19. #19

    Re: Will I be ok? No intercooler.

    Quote Originally Posted by 1984rampage View Post
    But 4-5 PSI is REALLY WEAK.
    Well, it will be pretty damn weak when you crack a piston or ring land, or perhaps throw a rod.

    I understand your need for instant gratification but you just need to learn some patients. You can't run it at 15PSI with no intercooler on pump piss fuel. It will detonate. You need to turn it down or just not run the car at all.

  20. #20
    turbo addict moparzrule's Avatar
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    Re: Will I be ok? No intercooler.

    I've run 17 PSI non intercooled, pump 93 octane, 10 degree timing. No issues, and I don't know WTF you guys are flipping out about. At 15 PSI an intercooler barely does anything, turbo is barely generating any heat at all. Intake charge may be 120 degree's on a 70 degree day, a stock T2 IC will take it down to maybe 100, probably not even that. 120 degrees isn't really anything to worry about, plus if he has a charge temp sensor the ECU will add fuel because of the hot charge.
    I suggest perhaps backing the timing to 8-10 degree's because the stage 3 might have a hair more aggressive timing than stock, but other than that he's fine. As I said I've run 17 PSI non intercooled before on a MP ECU and 4.7v diode on the map with 62 PSI base fuel pressure.

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