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You may want to change your ECU also, the ports are different, so your fuel requirments will be different, although a PC and a custom map may solve that for you.
 

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It's basically the exact same engine, yes it will bolt right in.
 

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Discussion Starter #6
maskale said:
You may want to change your ECU also, the ports are different, so your fuel requirments will be different, although a PC and a custom map may solve that for you.
what about the wiring harness? if i use the 05 ecu can i still use the 03 harness? just wondering
 
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