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Old 08-12-2012, 02:54 PM   #1
Trudd84
Scooby Specialist
 
Member#: 250706
Join Date: Jun 2010
Chapter/Region: South East
Vehicle:
2004 Impreza WRX
WR Blue

Default Target boost and AFR?

I have had a few threads lately about target boost after stage II flash and what could actually be adjusted etc. I went back and read the notes for the version 1 AP's stage II, which is peak at 16.5 give or take 0.7 psi. I have an adjustable bov setup 50/50. I had to play with it when I got it to get the stock setup and maps to go back to hitting target stock peak boost.

So I have fiddled with it on my stage II map, for the version 1 AP, and have gotten it to 15.8-16 psi with my AFR being 10.5ish at wot pull in 3rd gear. Is that AFR sound correct for a 3rd gear pull? I ask because I have the torque pro app for my phone and a bluetooth dongle, and it monitors a couple things. These were the readings I got last night on the way home and was curious if those two sound right together? Remember this reads my stock o2, and not a wideband, but it isnt a ****ty afr gauge, it reads it directly from the ecu.

peak boost at 16 psi with an AFR of 10.5 at the lowest during 3rd gear wot pull....sound right?
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Old 08-14-2012, 07:14 AM   #2
Black94Snake
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Member#: 274499
Join Date: Feb 2011
Chapter/Region: NESIC
Location: RI
Vehicle:
1994 5.8T Cobra
565rwhp @ 10psi

Default

The stock O2 sensor is less than useless while in boost conditions. Mine would peg at 11.1:1 when my car was actually running ~10:1. If you plan to do any real tuning, get a wideband and ditch the ever so useless V1 accessport.

If not, just leave it alone... Because you can't really accurately do a damn thing right now.
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