996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Greddy Profec B Spec II question...

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Old 03-06-2011, 12:14 AM
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Greddy Profec B Spec II question...

Hi gang, I have an 03 Turbo with the following mods:

-X50
-EP Stg 2 exhaust
-GIAC flash loader currently running on the 93 Pump tune

What I would like to know is if I install a Profec on my current setup can I turn the boost up to a constant 1.2-1.25bar without having to change anything else? Will the GIAC tune and or ECU compensate for the added boost?

As of right now I see 1.0-1.1 bar with seldom spikes to 1.2...

I'm running stock wastegate springs if that makes any difference. (I'm assuming changing wastegate springs to 1 bar springs would do about the same as installing the Greddy but I would rather do this instead in anticipation of other mods soon to come).

Thanks for the help!
 
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Old 03-06-2011, 10:11 AM
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No you cannot use a greddy on a standard Giac flash... you need a program that changes the ceiling maps for the boost....
Also, your stock Wg will not give it to you....
You can manually turn up the Wgs a little see if it gets you .1 bar more... but then soon you will run into LIMP mode...
markski
 
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Old 03-06-2011, 10:15 AM
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Originally Posted by MARKSKI@911tuning
No you cannot use a greddy on a standard Giac flash... you need a program that changes the ceiling maps for the boost....
Also, your stock Wg will not give it to you....
You can manually turn up the Wgs a little see if it gets you .1 bar more... but then soon you will run into LIMP mode...
markski
Awesome. Thanks for answering that for me.

P.S- I'll have the turbos out your way this coming week. I cant wait!
 
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