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Old 07-31-2012, 09:53 AM   #1
jbulls93
Scooby Newbie
 
Member#: 315840
Join Date: Apr 2012
Chapter/Region: Tri-State
Location: New York
Vehicle:
2000 2.5rs

Default Tuning Questions

Have a 2000rs, 04' ej257, LGT 5 spd. I am completing some changes and upgrades, and a tune will be mandatory. I have several questions.

Current Mods: catless tbe, 03 'wrx TMIC, MBC, spt short ram intake,

Mods to be: Grimmspeed 3 port BCS, ebay large TMIC, new 160 thermostat, oil pressure gauge, wideband o2 and related gauges, aftermarket catless uppipe, gimmick turbo inlet (intake, tbe left unchamged).

To my knowledge, I have a few options:

1...get a temporary e-tune and flash ecu to even be able to run the new setup enough to data log. Then data log, send organized data to reputable tuner via internet and get a tune back, then continue to monitor data to ensure tune is ok, have adjustments made accordingly.

2...get a temporary e-tune, baby car 35-40 miles down highway to efi logics, get professional open source tune

3...(dont feel safe trying this, need feedback) baby car to efi logics without changing tune.

Another odd issue I have experienced is that due to my spliced wiring harness, the ecu can not be flashed in my car. To flash it, i have to swap it into another car, flash it, and swap it back. This may be unneeded info but it is a hassle to need another wrx/sti on hand to flash the ecu.

Thanks ahead of time
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Old 07-31-2012, 12:29 PM   #2
dux10
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Member#: 235338
Join Date: Jan 2010
Chapter/Region: South East
Location: Georgia
Vehicle:
2002 Faggin Wagon
srp

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no injectors/ drastic intake changes so you will be fine to drive normally to tuner of your choice if you'd rather do that instead of an e-tune? Do you have any problems with an e-tune?
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Old 07-31-2012, 01:03 PM   #3
jbulls93
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Member#: 315840
Join Date: Apr 2012
Chapter/Region: Tri-State
Location: New York
Vehicle:
2000 2.5rs

Default

I'm very interested in an e-tune. Just need a tatrix and romraider on my laptop, then someone to supply the tune. It would save me $450 or so of tuner charges and give me the ability to change the tune at will. Once i get the car back together and get the wideband on, it'll be safe to do some data logging? Doesnt data logging usually entail WOT pulls? Paranoid about nuking my engine
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Old 07-31-2012, 03:03 PM   #4
VFXWRX
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Member#: 310146
Join Date: Feb 2012
Location: Vancouver, BC
Vehicle:
2002 vf39'd wrx
psm (sold)

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DO NOT drive the car after installing the 3 port bcs without first retuning your wgdc's. You'll be overboosting pretty bad. I guess another option would be to drive on wastegate pressure until you get a proper tune.
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Old 07-31-2012, 03:14 PM   #5
jbulls93
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Member#: 315840
Join Date: Apr 2012
Chapter/Region: Tri-State
Location: New York
Vehicle:
2000 2.5rs

Default

Ty for the warning...planning on getting a temporary tune for the data logging process before driving at all. I figured going from MBC to 3 port would drastically impact things.
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