Help! No oil pressure!!

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bwhit10

87 Grand National
Joined
Sep 3, 2005
Messages
19
Hey guys! I am having huge trouble getting oil pressure. I just put in a new oil rebuild kit with a booster plate. I have filled the oil filter, and primed the lines. I have also taken out the cam sensor and manually turned the oil pump with a drill. Still none. Even tried backwards to pump it out with the cooling lines off. What do I do? Also, which oil cooling line should I use, top or bottom? I had my choice of pressure springs, but the 60lbs in, and then i switched it to factory. But there is one thing I did mess up though. When I recieved the booster plate, the directions gave me a templete to drill a 1/4" hole. Yea, it was for a 60's buick. But the hole sealed and soild through it. I dont see how if a 1/4" uneeded hole, can create no pressure. Any tips or tricks? This sucks!

Brandon

87 Buick GN
 
take the oil pump pressure spring out and pack the hole full of vasiline. had the same problem after messing with the oil pump. your spose to pack the pump with grease when you reassemble it to get oil to pick up out of the pan
 
That reminds me of a Andrew Dice Clay line..."Why do you such a big jar a vagaline for?"
 
Not sure which booster plate you have but the Kenne Bell plate that I have used for about 15 yrs requires some dremeling of the lower pump half. Not saying this is your problem but you might want to double check any pics or instructions that came with yours. I know i misinterpreted the KB instructions way back in the day but I think my mistake resulted in about 150 psi on the gauge on startup. Obviously something was blocked. :eek: Not that the gauge could read that high. The needle just went waaay past100 psi. :rolleyes:
 
Why is that? That is all I heard though is to pack it. But I guess I have a high performance TA oil pump. So the new gears that I put in are a 1/4" shorter that the old ones. So I guess that is the problem.
 
Why? The typical way a myth or urban legend gets started. I can only speculate that once it was written on the board, another parroted the comment and then all the other nonsense came about such as back filling the pump, making a mess with cooler lines etc.
!!!!!!!! IT IS ALL BS !!!!!!!!!!
I have never primed an oil pump in any type of engine: Chevy, Pontiac, Ford, or Buick and non of them ever required to be primped or packed with junk to cause them to prime. Anybody that has put together a bunch of engines will tell you the same thing.

As long as the gears are not dry, and everything is put together correctly, the pump will prime its self just fine.

If you have the hi volume housing with standard sized gears, then that would definitely cause a problem - easy fix, just get the right size gears, cover the gears with some oil so they are not dry, put it together, and then prime it with an electric drill. Even about 30 seconds on the starter should bring the pressure up to 35+ psi and it will do so by getting to all areas of the engine because the engine is turning.
 
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