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Feels Like losing power at high rpms Help!!!

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Old Jan 6, 2003 | 12:33 PM
  #1  
The Works's Avatar
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From: Marlton NJ
Car Info: Joe P MBC, Walbro 255 fuel Pump, Cold Air Intake,Apexi Turbo Timer, HKS Downpipe, Apexi Cat Back,BOV
Question Feels Like losing power at high rpms Help!!!

Hello i have downpipe ,catback, CAI, MBC, Fuel Pump, Turbo Timer. I'm running at .11 which is 15.95 psi now at like 5000 rpms and higher just feels like im not gaining any more power. Do I need injectors, different plugs, or like a unichip? I don't know what to do. Also the fuel pump at times i can smell gas is this a bad thing cause im probably running rich cause its pumping out more gas and not burning it all right? Please help me out. Also is .11 to high for my stock internals whats safe for the wrx.
Old Jan 6, 2003 | 03:00 PM
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Car Info: Boosted Geo Prizm
The stock turbo does choke at higher boostlevels being held till redline. That could be one thing...

The other would be timing being pulled back as you get closer to the redline
Old Jan 6, 2003 | 07:10 PM
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The Works's Avatar
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From: Marlton NJ
Car Info: Joe P MBC, Walbro 255 fuel Pump, Cold Air Intake,Apexi Turbo Timer, HKS Downpipe, Apexi Cat Back,BOV
Well i turned my boost back to stock. How can i run 15.95 psi and still be gaining power till redline. Also is it alright for me to be running at .11 equivalent to 15.95 psi. thanks
Old Jan 6, 2003 | 08:55 PM
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Car Info: 2000 2.5RS Silverthorn
I think many people are running 15.5 psi on stock to be safe.
Old Jan 7, 2003 | 04:45 PM
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the stock turbo is small, so running higher boost than say, 15 or 16 psi, is pretty much useless, it's running out of breath. I would say run 15psi with the stock turbo. It really isn't necessary to have the fuel pump at that level, but it probably doesn't hurt either, ... except for your gas mileage maybe.

I'd say get some 'colder' plugs. NGK BKR7E (stock# 6097), gapped to about .028
You'll need injectors for a bigger turbo, and there are many unichip options for your setup.
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