I started watching videos, researching, reading the FSM, and got to work. but I knew others had done it in the past and got it running. I had no idea my swap was going to work, that's why I said my car was the guinea pig for what I was trying. Taking one parameter in particular, ie: AFR, Timing, Boost, etc and study it, understand it, see how it'd affect the engine's behavior, its limits, master it till I felt comfortable with making changes on a tune, then moving on to another range until I'd get a comprehensive understanding of how things work overall. That was going to be exactly my approach Enlight. so complicated is this Tuning subject eh? Hmm. gears were retarded about 7 degrees ~ 1 pulley tooth to closer mimic the ej255 timing. Since the 20x is a dual AVCS, I deleted the exhaust AVCS function by tapping/capping the oil ports on the ex. I kept the jdm twin scroll VF38 turbo and twin pipe exhaust manifold. ![]() Some general info about this swap: Engine is a jdm ej20x 2.0L. Engine has no EGT sensor, and main O2 sensor is now right after the turbo at the beginning section of the DP. Short Ram Intake (modified, I chopped a CAI and turned it into a Short Ram), Regular GrimSpeed 3-port Boost Controller and aftermarket catted 3" Down Pipe. My car finally running again on 7/3/23 after the ej20x swap which started back on 2/14/23. And I know I will also need to download programs such as: RomRaider Software, the latest RomRaider's ECU Definitions, RomRaider Logger, ECUFlash Software and have proper gauges such as a Boost gauge and an O2 wide band sensor. So far, I have a Tactrix 2.0 port with its cable, a PC. I am hoping this thread will not only help me, but also others, having all things related to Tuning your Legacy/Outback for the first time in one place for those who have never done this before, as myself. ![]() I have been reading and learning on the tools and software needed to become proficient at learning how to Tune so far I have found these great videos below. On this thread, I hope to gain your helpful insights, and commentary on what you think I may be doing right/wrong and hopefully correct any mistakes on time so I don't mess up my engine I worked on for almost 5 months. I'm now moving onto what may be the most important section to safely run this "new" motor on my car: Tuning. I know how to open/download/save/search/copy/paste, install/uninstall programs, etc, etc, the basic stuff I do with computers in general.Īfter recently successfully swapping a jdm ej20x on my '05 OBXT and getting it to run, you can see my thread here: embarking on a totally new and uncharted territory.įirst I must say, my computer knowledge is basic-medium.
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