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  #1  
Old 04-09-2007, 09:10 PM
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Default ECU swap

Hey guys i was looking at the following thread..

http://www.perth-wrx.com/vb/ecu-discussion/13955-engine-control-unit-faq-whats-available.html

I noticed that it says the ECU is swapable from the MY94-96 wrx into the MY99-00 wrx, is this true? Would this be the same for the STI?

Perhaps this would be the most cost effective way if getting a Verso tune for a MY99/00?
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Old 04-09-2007, 09:33 PM
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not true.

94-96, 97/98 and 99/00 ECUs are NOT interchangable.

I think you may have misinterpreted that graph
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Last edited by Mister Two; 04-09-2007 at 09:35 PM.
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Old 04-09-2007, 09:41 PM
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Yeah i sure did didnt i... What changes make it non interchangable with the my99/00 models?

I know ive asked this about the my01 onwards.
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Old 04-09-2007, 09:52 PM
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Other than the plugs on the ECU loom being completely different. There are updates sensors the most important one being the AFM.

You know there are quite a few Power FCs floating around for sale here and on REXNET. so that would probably be your best bet for a ECU to tune on a my99/00. $700 or so for second hand PFC (cheaper without a hand controller) and another $400 for a tune... thats mot much more than the VERSO reflash ($990)
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Old 04-09-2007, 10:00 PM
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Thx for the info
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Old 07-09-2007, 10:23 AM
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Just remember to replace your Dodgy Air Flow Meter on any 99/00 WRX/STi if it is getting old and especially if you are running a Pod Filter.

The Nissan's AFM (300 ZX ??) is recommended when doing a Power FC if you care at all about your engine long term!!!!
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Last edited by WRXTASY; 07-09-2007 at 12:45 PM.
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Old 07-09-2007, 12:15 PM
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z32 afm is the go. Yes i think it is off a 300zx
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Old 10-09-2007, 06:50 PM
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Ive just replaced the AFM not long ago anyway, but ill most likely go autronic or link g3 anyway and skip the piggyback's.
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Old 10-09-2007, 09:03 PM
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omg silent u getting ECU already! im falling behind with my v6 getting my hi-power on next week
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Old 15-09-2007, 07:55 PM
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Lol, nah not just yet.. just about to pay it off, then need to pay for this trip to singapore.. then mods lol.
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