max boost 07 stock turbo - Subaru WRX Forum
 
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#1 Old 03-14-2009, 08:25 PM
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max boost 07 stock turbo

i was wondering what a max boost level is for a stock turbo, injector and fuel system on an 07 wrx would be? im running at 16 now and am going to get it professionally tuned and rid of the cobb chip...was just curious? also from MA south shore...anyone no good dyno and tuning spots?
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#2 Old 03-14-2009, 08:29 PM
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Im running about 17 PSI on a Cobb stage 2 OTS map. I have seen some guys running about 20-22 PSI on a PnP'd turbo. Thats a generalization though, not every car reacts to same mods the same way.

Joshua
"2007 WRX- PPG'd, 20G- Tim Bailey tuned
Stage 2 2005 WRX
Cobbtuning.com"
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#3 Old 03-14-2009, 08:48 PM
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On a stock 06-07 WRX peak boost is supposed to be 11.6 PSI.

Adair
06' wrx tr
Phatbotti tuned!
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#4 Old 03-15-2009, 09:52 AM
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Quote:
Originally Posted by rexwgn View Post
i was wondering what a max boost level is for a stock turbo, injector and fuel system on an 07 wrx would be? im running at 16 now and am going to get it professionally tuned and rid of the cobb chip...was just curious?
Asking this is like asking how much HP can the stock motor handle.These questions get asked all the time and the answer is the same:There is no magic #.It all comes down to supporting mods,what your tuner feels as safe,the type of fuel you use and to some degree a little luck.Cobb's AP is not a "chip" persay.It is a reflashing device which professional tuners can make custom maps for.

Homebrewed tuned with Opensource!
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#5 Old 03-20-2009, 10:08 PM
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for what its worth my protune boost target is 18psi, but i have bad boost spike and i regularly hit 21-22psi on stock td04. Not saying its a good thing, and from the way it feels it is NOT a good thing. So i would say dont count on anything that high
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#6 Old 03-20-2009, 11:01 PM
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18 or 19psi isnt odd for our cars to run so i wouldnt worry much about it im running cobb stage 2 map and boosting to 16.5psi
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