Originally Posted by Concillian
It can't be oil pressure, but it could be OCVs or position sensors. Aren't both of those different between USDM and JDM?
I think you are right, I believe Amroof uses the JDM OCV with the usdm position sensors. Perhaps the usdm OCV is pressure limited to advance 30 deg while the jdm can push enough pressure for ~45 deg
Amroof- you have both OCVs on hand, want to do a little experiment?