hello can someone tell me how to change the rear oil regulator. i have a high pressure regulator to put in. and also what parts might be needed to do so.i got a new streetport engine with some other mods done three window bearings weber oil jets, but they failed to change oil regulator thought before i instalded engine i might change it.just got into mazdas so its all new to me learn as i go but some insight might be helpful

hey can the rear oil regulator be changed from the oil pan?