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11-22-2005, 08:41 PM | #1 |
Scooby Newbie
Member#: 87370
Join Date: May 2005
Location: So Cal
Vehicle:2005 WRX,Soon to be EVO9-94 toyota4x4 project |
just went stage 2, 16.7 PSI in 3rd gear!
Just flashed Cobb stage 2 cal 91 ocatane 1.30. I'm hitting 16.7 PSI in 3rd gear and it hasnt even learned yet . Is this normal? Is my car just healthy?
thanks in advance, Steve
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11-23-2005, 06:02 AM | #2 |
*** Banned ***
Member#: 64974
Join Date: Jun 2004
Location: My Shed, Melbourne, Australia
Vehicle:1995 WRX,APEXi,HKS,$ Faded, Stonechipped Red |
Hell yeah but what would I know??? We ALL run that poundage standard!!!LOL!
From what I can gather, that sounds pretty good. Although over here std setups can push about 25 Psi with no other mods other than an ECU!! Cheers Sixpack Subaru |
11-23-2005, 10:27 AM | #3 | |
Scooby Newbie
Member#: 35273
Join Date: Apr 2003
Chapter/Region:
MWSOC
Location: Southwest MI
Vehicle:2005 Saab 9-2x Aero Stage 2 |
Quote:
Just keep an eye on it to make sure no knocking or boost spiking occurs. You may want to run some logs on it to be sure. |
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11-23-2005, 10:42 AM | #4 |
Scooby Specialist
Member#: 79222
Join Date: Jan 2005
Chapter/Region:
W. Canada
Location: Canada BC
Vehicle:'09 STi 297.5 WHP Blue |
When it does learn it will probly lower boost down, as it should be 15.8 PSi for it's target.
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11-23-2005, 12:13 PM | #5 |
Scooby Specialist
Member#: 85035
Join Date: Apr 2005
Location: central coast CA
Vehicle:2017 Forester XT KTM 690 Duke |
Wow, that's great, the highest I've seen (on AP, not gauge) is 16.4 (w/ STi TMIC) in 4th but it it never changed from 1st day.
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11-23-2005, 01:13 PM | #6 |
Scooby Specialist
Member#: 56321
Join Date: Mar 2004
Chapter/Region:
NESIC
Location: Hopkinton, MA
Vehicle:2006 Honda El Camino Green |
Boost is not learned- fueling and timing are learned in the ECU, however, boost is a dynamic system.
Target boost is 15.8 +-.5 psi. The maps are set up for those levels. If you are running outside that range, you may be having timing pulled or something. |
11-23-2005, 01:44 PM | #7 |
Scooby Specialist
Member#: 30252
Join Date: Nov 2002
Chapter/Region:
RMIC
Location: Vail
Vehicle:2005 996GT3,'16 3500 04 Ducati 749R #249 |
i have hit 18.1 psi on cobb stage 2, also runing c16 race gas, but our stock ecu is very flexible and will lean out the ratio until it's just right, don't worry about it..
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11-23-2005, 01:52 PM | #8 | |
Scooby Specialist
Member#: 56321
Join Date: Mar 2004
Chapter/Region:
NESIC
Location: Hopkinton, MA
Vehicle:2006 Honda El Camino Green |
Quote:
For example, in the stock ECU mapping, there are spots set up to run 9:1, however, with stock boost levels, you will never hit them. Throwing an MBC on the car for instance, will cause you to hit them. You are running more boost, insanely rich and possibly making no more power. If you want to run more boost, I highly recommend a custom tune. Mike |
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11-23-2005, 02:29 PM | #9 |
Scooby Specialist
Member#: 30252
Join Date: Nov 2002
Chapter/Region:
RMIC
Location: Vail
Vehicle:2005 996GT3,'16 3500 04 Ducati 749R #249 |
thanks for the suggestion, not running any of that anymore, now 18g, utec, etc... but agreed it was crazy rich and not much more power than a normal stage 2 setup, but good for the road course, no knock, ping, etc...extremely safe..
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