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Old 12-18-2007, 01:34 AM   #1
silentt
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Default 05RS ECU in an 99-01RS?

Hey guys,
What would it take to have an '05RS ECU work in an older RS? Is it possible with minor mods, if possible at all?

I'm intrigued since I would love to do some open source tuning as opposed to spending retarded amounts on standalones.
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Old 12-18-2007, 03:33 AM   #2
kaos200
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but you're a 99 RS-T
Why go RS ecu?
Why not do a WRX/STi ecu (non drive by wire for ease of transition if you wish, although it's not much more work) and have a turbo-ready ecu/sensors etc off the bat?


edit: doh! I just remembered about the heads...
Yah I suppose that would be an issue but you can find cheap WRX heads off a parted motor for pretty cheap!
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Old 12-18-2007, 03:37 AM   #3
silentt
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Quote:
Originally Posted by kaos200 View Post
but you're a 99 RS-T
Why go RS ecu?
Why not do a WRX/STi ecu (non drive by wire for ease of transition if you wish, although it's not much more work) and have a turbo-ready ecu/sensors etc off the bat?


edit: doh! I just remembered about the heads...
Yah I suppose that would be an issue but you can find cheap WRX heads off a parted motor for pretty cheap!
I'm not pulling my motor again, tearing it down, rebuilding a new one, and doing an engine swap just to use a WRX ECU.

I'm what you call a stage 4 turbocharged vehicle using a hybrid motor. I want the 05 ECU so I can datalog and do open source tuning, since there is a local guy who's an OS guru.
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Old 12-18-2007, 08:40 PM   #4
ballitch
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Im sure a wiring/swearing nightmare this could be. I guess you could take a look at both ecu wiring diagrams and use that to influence your decision.



~Josh~
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Old 12-18-2007, 09:36 PM   #5
Qman
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Itr is definitely a rewire or cut and splice. Some benefits can be had from this. But, I am not convinced it is worth the amount of work it would take.
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