I am not sifu.:bebored:
Just want to share.
I think it called on/off control VSV for 20v engine.
Refer to the URL (page 10)
http://www.autoshop101.com/forms/h26.pdf
bros n sis...need some advise n couldnt find it elsewhere so i'm starting this thread so other ppl with any intention of getting an old Nissan Z can come here and read up.