4A-GE MK1 Engine A Few Cylinder Head Questions....

4A-GE MK1 Engine, head, question, re-torque, heads, covers, direct, studs/bolts, access, input, leave, corners, clogged, oil-return, passages, folks, cylinder, questions, camshafts, drains, return, is/are

Hi, folks! First question: I may have clogged oil-return passages in the cyl. head. Where exactly is/are the oil return drains? In the far corners? Under the camshafts? Second question: Once I have the covers off, there