want to swap fron a ej25 to ej20tt need information on wiring and if it a ggod idea to do the swap got a 2002 legacy gt nonturbo

 

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^ haha, best advice ever. What are your goals with the car? are you plannning on high boost? ej25 is pretty stout when done right, not sure it would be worth the swap unless the ej25 is already blown or you are going for a big boost application