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Old 12-29-2018, 03:41 PM   #1
Scooby Newbie
Member#: 495716
Join Date: Dec 2018
Default NON AVCS ecm on JDM Single AVCS EJ205

Hey guys I need help shining a little light on this topic. I own a 2005 WRX and I blew up the old motor sooo, I put the JDM EJ205 back in. The new motor came with the matching ecm so all I really had to do is buy the AVCS harness from IAtuning. Well the down side to going that route is the fact that there is very little tuning options available, and apparently the JDM ecm is tuned to a higher octane than we in the US donít have access to at the pumps. So what I have decided is running everything USDM. I put the USDM ecm back in the car and the only code Iím pulling is the PCV p1491 and thatís it no other code issues. I just need some insight on what Iím doing wrong, or what I should do different. I know I can use the intake cam gears off of my old USDM motor, but is it really needed? Input Would be greatly appreciated. Iím looking to go stage 2+ I just want to make sure everything is kosher before I do thanks in advance
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