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Old 04-06-2008, 05:38 PM
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cant prime oil pump in bbc

427 all rebuilt. using priming tool i am getting no oil pressure. oil filter filled up but have no pressure at the gauge or oil to the heads. i have turned the motor over in 90 degree turns and still nothing

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Old 04-06-2008, 05:58 PM
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Quote:
Originally Posted by HEGLER
427 all rebuilt. using priming tool i am getting no oil pressure. oil filter filled up but have no pressure at the gauge or oil to the heads. i have turned the motor over in 90 degree turns and still nothing
what direction are you turning the tool, clockwise or counter clockwise?
is the pump drive rod installed?

sam-missle
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Old 04-06-2008, 07:03 PM
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Also, are you using a straight rod from the drill to the pump? Or the CORRECT priming too?
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Old 04-06-2008, 07:24 PM
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Its Is The Correct Tool
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Old 04-07-2008, 05:43 AM
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I might take as long as 45 mins with turning the crank a few degrees every 10 mins or so....make sure you have a stout drill....lol
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Old 04-07-2008, 07:06 AM
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Is it a tall deck 427 or standard? What lifters are you using? I had the same problem in a tall deck, I was using bullet solid roller lifters and the oil holes in the sides never dipped low enough to get into the oil gallery, they recommended that I grind a little trough from the oil hole down to the relief in the lifter where the oil flows by.

If you end up doing this, grind as little as possible or you may have to run a higher pressure pump. You could verify it first by trying to prime it with some old lifters (make sure they are immaculate and don't turn over the motor) if you get oil to some of the rockers then this may be your problem.
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Old 04-07-2008, 11:23 AM
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You have to use a tool that blocks the oil galley to the lifters or it will dump the oil right back into the pan. We use an old dist to do this with, that has the gear teeth ground off. Yea make sure it is turning the right direction.
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Old 04-07-2008, 06:23 PM
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I Have The Tool Made For Priming The Pump. When I First Started I Spun It For About 3 Minutes And Started To Feel Some Resistance But No Oil From The Pushrods. It Filled The Oil Filter. Now There Is No Resistance Any More. Should I Keep Spinning It?
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Old 04-07-2008, 07:13 PM
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Make sure the front lifter oil galley plugs are in.
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Old 04-07-2008, 07:15 PM
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does the shaft look something like this?



or just a straight shaft?
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Old 04-08-2008, 04:05 AM
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Yes I Have The Right Shaft
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Old 04-08-2008, 05:38 AM
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again.....................it will take longer than 3 minutes!!!!!!!


I might take as long as 45 mins with turning the crank a few degrees every 10 mins or so....make sure you have a stout drill....lol
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Old 04-08-2008, 08:04 AM
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If the filter is now full and you are still not getting any oil, something is wrong. Maybe a missing cam galley plug on the front of the engine? Missing plug under the main cap? Something is wrong. Pressure is usually built up pretty fast, atleast that's been my experience.

Mark
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Old 04-08-2008, 09:11 AM
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Quote:
Originally Posted by Jmark
If the filter is now full and you are still not getting any oil, something is wrong. Maybe a missing cam galley plug on the front of the engine? Missing plug under the main cap? Something is wrong. Pressure is usually built up pretty fast, atleast that's been my experience.

Mark
^^^^ what he said.
In my experience as well. I agree that somthing does not sound right.
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Old 04-08-2008, 10:58 AM
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How much oil did you put in it?

tom
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