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dq409
08-08-2006, 12:20 PM
I have this problem with my `88 Astro van.
The oil pressure is holding around 60 # and will drop to only 50# on occasion after it is warmed up at idle.

Other then that it holds steady at 60#.

Any clues??? dq
JimKwiatkowski
08-08-2006, 12:38 PM
dq,why are you worried about oil pressure like that :dunno
fatride
08-08-2006, 12:49 PM
Pump pressure relief bypass valve is probably stuck!
dq409
08-08-2006, 03:33 PM
Pump pressure relief bypass valve is probably stuck!

Thats what I thought,,,,

Should I drive it down a bumpy road? :D

Add some Marvel Mystery Oil ???:dunno
Garbageman
08-09-2006, 09:05 AM
Mystery Oil or a little tranny fluid will loosen things up.

Paul
raymar58454
08-10-2006, 11:50 AM
DQ, had same problem with a 77 odd fire V-6. You won't like this. The bearings had flaked apart and plugged galleys. It was a good excuse to slip a 400 pontiac in it. And a heck of a lot more fun too with the V-6 emblems. Just ask the guy with the 67 427 Vette what he thought when the trailer went by him about 120. :D

Ray