Focus Fanatics - View Single Post - Spec Focus Build - what does it cost
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Old 11-28-2007, 02:53 PM   #16
walshka07
Focus Enthusiast
 
Join Date: Jun 2007
Fan#: 48052
Location: spring tx.
What I Drive: 2004 Subaru WRX

Posts: 66
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how different are the wiring harnesses from the 2.3 to the 2.0? i figured the swap would be straight forward, but you talk about the wiring like its hell... how much of the 2.0s harness could i use? also would i have to change ECU's or could i just flash the engine to run a 2.3? also tuning is allowed, do you need a flasher of some sort? like my WRX you can just flash the stock ECU without a tuner/flasher... can you do the same with the foucs ECU? i have a bunch of questions if you can tell... ive got a lot more if you dont mind

Matt
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