max oil pressure is 75 the pumps relief valve opens at 75. the oil only goes to rear main and rear rode not to the seal direct.
par is 40
breather (x2) blocked, PVC valve blocked.
most rear main seals are best put in using RTV or thread locker.
chapter 9, all real filter have build in bypass if the filter ever clogs, surely you do not run oil for 20,000 miles, right?
and warning page 9-49
CAUTION: The felt lip must be located inside the flywheel mounting surface. If the lip is not posi tioned correctly the flywheel could tear the seal up.
I RTV mine in, so of breather cogs, only the front seal pushes out
is the air intake stock , all stock 2 hose PCV system???????
mine is stock and the PCV hose fresh air side is huge, no way to block that, short of dead mouse inside it. GOT THOSE crazy
COLD air kits here?(mines trash canned)
The pump incorporates a nonadjustable pressure
relief valve to limit maximum pressure to 517 kPa
(75 psi). In the relief position, the valve permits oil to
bypass through a passage in the pump body to the
inlet side of the pump
the 4.0L 9-91
has 2 piece seal. viton
read page 91 carefully, and the 914 sealant steps
4.0L
(7) Position the lower seal into the bearing cap recess and seat it firmly. Be sure the seal is flush with
the cylinder block pan rail.
(8) Apply Loctite 518, or equivalent on the rear
bearing cap (Fig. 8). The bead should be 3 mm (0.125
in) thick. DO NOT apply Loctite 518, or equivalent to
the lip of the seal.
(9) Install the rear main bearing cap. DO NOT strike
the cap more than twice for proper engagement.
(10) Tighten all main bearing bolts to 108 Nzm (80
ft. lbs.) torque.
(11) Install the oil pan gasket and oil pan