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9 turbo on an 8 only hitting 24psi...

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Old Apr 4, 2009, 11:37 PM
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9 turbo on an 8 only hitting 24psi...
Mods are: 3"TBE, Intake, Walboro, Hallman MBC, 9 turbo, (ECUflash tuned/Evoscan)

I tried turning the boost up today past 24psi and it didn't go up.
What are your thoughts?
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Old Apr 4, 2009, 11:52 PM
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Uh, stock, plastic DV?
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Old Apr 5, 2009, 12:18 AM
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did you do a boost leat test? what wastegate are you running
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Old Apr 5, 2009, 12:22 AM
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why are you trying to go over 24 psi on the 9 turbo?
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Old Apr 5, 2009, 08:40 AM
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Forgot to add JGS recirc BOV. No boost leaks.

I'm trying to make MO POWA
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Old Apr 5, 2009, 08:47 AM
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Originally Posted by *constant_boost
why are you trying to go over 24 psi on the 9 turbo?
i boost 30psi on e85, on my 9 turbo
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Old Apr 5, 2009, 08:50 AM
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get some intercooler pipers!! that'll help, and it isn't safe to do 24lbs constant on a IX turbo. throw some larger injectors possibly on there too.
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Old Apr 5, 2009, 12:45 PM
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how does it feel vs the 8 turbo. I am about to do the same, just havent had the time.
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Old Apr 5, 2009, 12:50 PM
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Shim the spring inside the boost controler with some paper or a foam ear plug, strech the spring a little bit, turn down the boost controler to the lowers setting and see what it hits. WATCH THE BOOST GAUGE AND WIDEBAND. Also your car should be tuned at the raised boost and have a Walbro 255hp fuel pump before you try to do this.
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Old Apr 5, 2009, 01:22 PM
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i have seen tunes on IXs that spike to 26 psi and taper to 20 @ redline.


24 at spike is normal, but get a fuel pump or u will starve for fuel.
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Old Apr 5, 2009, 01:51 PM
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I just dont think thats safe to run on that turbo.... I bet it runs just as good on a lower boost setting..... Your going to overwork that little turbo
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Old Apr 5, 2009, 01:53 PM
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You guys keep tellin him to get a fuel pump....he clearly says he has one.....
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Old Apr 5, 2009, 01:59 PM
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i am running 25lb on my 9, mods are Nisei full IC piping, TBE, Walbro Fuel Pump, Intake and tune. my tuner has tuned most of the car in CO and they are all running 25lb on 91.
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Old Apr 5, 2009, 03:55 PM
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what about injectors? you'll likely running out of fuel with that much boost on stockish.
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Old Apr 5, 2009, 04:22 PM
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Originally Posted by dancarroll0283
I just dont think thats safe to run on that turbo.... I bet it runs just as good on a lower boost setting..... Your going to overwork that little turbo
I run 26PSI on pump gas, it's only 6PSI more then stock. Car LOVES it.
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