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Discussion Starter #1
Would it be possible to swap out the ecu of a SVT from a 2004 zed0 to a 2003 yfr0, and still have everything work? Will this screw up mileage or anything?
 

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I would probably just stay with the stock ecu and flash a tune to it. The svt doesn't have a egr and has vvt and it would probably mess up once it started an not run right since the svt motor has different a/f calibrations.
 

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I'm pretty sure you would have all sorts of communication issues... the reflash is a better idea.
 

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Get in touch with V6focus at focussalvage.com he is the man when it comes to ECU's...He keeps several in stock and can swapthem if need be.
 

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Why do you want to swap the ECU?

Unless you drop the SVT motor in there it will not work right.
 
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