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Old 08-23-2004, 04:36 PM   #1
Yogiwerx
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Join Date: Aug 2004
Default CO: How much boost loss

How much boost are you guys loosing here in CO. Im running a Cobb stage 1 and its only putting out 13.1 psi in the springs which is btwn 6k-7k feet. The target is 14.7 Is this normal or should i try something else.

Thanks
Dan
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Old 08-24-2004, 12:22 PM   #2
paintbing
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Join Date: Apr 2004
Chapter/Region: RMIC
Location: Utah --> Monterey, CA
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2003 WRX - Hybrid
I do my own stunts

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Run the map that states, 91 hwg Stage 1... USE AT YOUR OWN RISK, and watch the boost... if you go over the target 14.7 then go back to the regular stage 1 map. I am not to blame if you blow your turbo cause your boost is too high for the exhaust system.
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Old 08-24-2004, 12:38 PM   #3
Yogiwerx
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14.7 is the .1 MPa right?
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Old 08-24-2004, 01:08 PM   #4
paintbing
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Quote:
Originally Posted by Yogiwerx
14.7 is the .1 MPa right?
Roughly... 15.5 is slightly over the .1 mark...

Do you have the ECU flashed, or do you have the handheld port? The port has a live boost readout.
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Old 08-24-2004, 03:45 PM   #5
snowman4us
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there shouldnt be any PSI drop becouse of the Altitude....is something more then that, look over everything to make sure its ok. the altitude does not effect how mutch you boost....10psi in LA is still 10psi in Denver(just an example)
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Old 08-24-2004, 05:21 PM   #6
Yogiwerx
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Quote:
Originally Posted by snowman4us
there shouldnt be any PSI drop becouse of the Altitude....is something more then that, look over everything to make sure its ok. the altitude does not effect how mutch you boost....10psi in LA is still 10psi in Denver(just an example)
I know that 10 psi is 10psi but doesnt the ecu retard the timing and everything and reduce the boost since there are less air molecules in the air.
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