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Old 07-07-2009, 06:30 PM   #1
SUBIE-STI
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Default AP V1 Stage 2 93 map-How much PSI?

I just reflashed with the Stage 2 93 octane from Cobb with my AP1 and i dont think its reaching the correct amount of boost its supposed to be, i was just wondering how many PSI its supposed to hit, im going off my stock boost gauge that reads in MPa and its getting halfway between .05MPa and .1MPa and that almost seems like stock boost after being converted but i may be wrong, anybody have any ideas or anything?
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Old 07-07-2009, 07:16 PM   #2
wrxdrvr
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16.5+-0.7 Psi Oops.That's for the wrx don't know what it is for the STi...
EDIT; 17.5+-0.5 Psi for the STi.

Last edited by wrxdrvr; 07-07-2009 at 07:21 PM.
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Old 07-07-2009, 09:30 PM   #3
SUBIE-STI
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So would anybody know what the deal is of why mine isnt hitting anything but maybe 10-11psi of boost? I just got it back from Cobb because it was getting reset by them, should i try and reflash it again with the Stage 2 again? Im pretty sure im at stock boost, atleast thats what it seems like.
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Old 07-07-2009, 09:48 PM   #4
b00stin
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Cobb Stage 2 for STi is 19psi. Search google for a MPa - PSI converter if you want to know exactly what it is, or just use your AP! Log Log Log...
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Old 07-07-2009, 09:49 PM   #5
b00stin
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O and when you start up your car turn on your AP and go to Maps or tuning and then show current map and it will tell you. Just reflash STage 2 if it is stock.
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Old 07-07-2009, 09:58 PM   #6
SUBIE-STI
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So why am i only reaching 10-11psi of boost? Im sure 19psi is a huge difference from stock, should be able to tell a descent amount of difference.
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Old 07-07-2009, 10:57 PM   #7
SUBIE-STI
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I just reverted it back to stock a couple minutes ago so i will try reflashing to a stage 2 again in the morning and see if i can get 19psi of boost out of it on the way to work.
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Old 07-07-2009, 11:42 PM   #8
wrxdrvr
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http://www.cobbtuning.com/info/?ID=3061 17.5+-0.5 Psi is what I see here... Not 19.0 Psi.
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Old 07-08-2009, 12:02 AM   #9
b00stin
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If your AFR is still in spec (11.4 - 11.0) Than you should be fine.
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Old 07-08-2009, 12:45 PM   #10
SUBIE-STI
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I reflashed the car again first thing this morning, its fixed now and is reaching target boost. Thank god i dont have a problem with my car.
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Old 07-21-2009, 09:13 PM   #11
route6mafia
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Default Please Help Need Boost!!!

I reflashed and can only hit 17.1psi

Last edited by route6mafia; 08-05-2009 at 02:52 PM. Reason: short answer
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