With any aftermarket rear main seal that is not a rope type crankcase pressure helps to load the seal harder to the crank.
It’s part of the seals design.
I saw one fellow mistakenly put the aftermarket seal n the wrong way and after all his effort he ended up with a bigger leak then if he would have left the rope seal in.
Luck the next weekend 3 of us local Pontiac guys where free to help out and in 4 hours the mistake was corrected and the motor was being driven .
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs!
And he was not talking about 1/8 or 1/4 mile ETs!
1) 1940s 100% silver 4 cup tea server set.
Two dry rotted 14 x 10 Micky Thompson slicks.
1) un-mailed in gift coupon from a 1972 box of corn flakes.
Two pairs of brown leather flip flops, never seen more then 2 mph.
Education is what your left with once you forget things!
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