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Old 11-12-2012, 01:31 PM   #1
OC_Nooby
Scooby Specialist
 
Member#: 311781
Join Date: Feb 2012
Location: Canada
Vehicle:
2003 WRX w STI V8

Default Can I flash an 02 WRX map to my 03 WRX ECU? - YES + Extra MAPS!

As the title states, can this be done without bricking the ECU?

Here is the reason I want to do this



Just need more resolution to tune out a hesitation issue I have with my 04 STI motor.

I apologize if I put this in the wrong section. If I did just kindly let me know and i'll delete it and move it.

Thanks!

================================================== ===============================

Ok WOW.

First off. the 02 map works

Second, this 02 map is way better then the 03 WRX map. LIKE WHAT THE HELL!

Benefits:

1 extra column in the Primary Open Loop Fuelling Map
Per Injector Primary Fuel Offset Compensation is bigger (8 spots compared to 1)
Tip-In Enrichment Compensation via RPM - new table!
Warm-Up Enrichment - Primary Base Enrichment Additive Compensation (Load) - new table!
1 extra row in the Base Timing Map
Engine Load Compensation (MP) is now 12x11 compared to a 2x2 (this was the main map I was interested in)

It's like better options on an older definition. Probably they weren't required on the stock 02 WRX so they removed it in the 03 WRX but let me tell you, when your heavily modified and changed to a 2.5L STI motor these tables are god sent. Heck just the extra timing/fuelling resolution is awesome!

My car ran way better just using this definition with my 03 WRX map swapped over.
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Last edited by OC_Nooby; 11-12-2012 at 06:15 PM.
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Old 11-14-2012, 06:07 PM   #2
Bamofo
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Member#: 159743
Join Date: Sep 2007
Location: Plymouth Ma
Vehicle:
07 STI Limited
TurboMike Tuned 2.35

Default

less emissions crap in the 02 rom too :-) and if you really want more resolution the carberry rom is pretty cool on romraider...
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Old 11-14-2012, 07:41 PM   #3
BlazeRex
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Member#: 268354
Join Date: Dec 2010
Chapter/Region: NESIC
Location: Massachusetts
Vehicle:
02 WRX 05 LGT
Slow Automatics

Default

Yes, you can do it no problem. I found a ROM a while back off of a 2002 that was unlike anything I had seen before, a bit more resolution than any of the other 02-05 WRX's I had seen.
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Old 11-15-2012, 11:58 PM   #4
OC_Nooby
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Member#: 311781
Join Date: Feb 2012
Location: Canada
Vehicle:
2003 WRX w STI V8

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Quote:
Originally Posted by Bamofo View Post
less emissions crap in the 02 rom too :-) and if you really want more resolution the carberry rom is pretty cool on romraider...
I'll move to SD once I go with a FMIC that way I have room to put my temp sensors, meth nozzles eheheh

Quote:
Originally Posted by BlazeRex View Post
Yes, you can do it no problem. I found a ROM a while back off of a 2002 that was unlike anything I had seen before, a bit more resolution than any of the other 02-05 WRX's I had seen.
Share Plz I was pretty excited with the 02 map I randomly stumbled across
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