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#1 |
Member
Join Date: Apr 2012
Location: south Iowa
Posts: 35
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This on new rebuild, done at a shop.[this shop is OK done other work for me] Started with electric gauge checked with mech. no pressure. pulled the gauge only drips from the tube. Changed oil again, same. Pulled the pan and pump [looks new as the invoice said]. The engine fired right up and sounds good. With the pan off I can see assemble lube here and there. Put air up the pump hole via rubber stopper no bubbles from my oil pressure tube. Plain C maybe D. Any ideas where to look next, or how check things further.
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#2 |
Senior Member
Join Date: Jul 2016
Location: Lake worth Florida
Posts: 1,145
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Call the shop that built it ! ASAP just to make sure they can't come back and void any warranty. How close is the pickup from the pan ? Did they assembled the engine and the pan ? , intake ?
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#3 |
Senior Member
Join Date: May 2010
Location: Oshkosh, Wi
Posts: 4,547
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Did they pack the oil pump with STP or assembly lube to lubricate the gears?
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#4 |
Member
Join Date: Apr 2012
Location: south Iowa
Posts: 35
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#5 |
Member
Join Date: Apr 2012
Location: south Iowa
Posts: 35
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Hay the pickup tube might be a thing, I'm going to look in to that[ something else to check, thanks]
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#6 |
Senior Member
Join Date: Oct 2016
Location: harpursville ny
Posts: 1,068
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#7 |
Member Emeritus
Join Date: May 2010
Location: Fitzgerald, Georgia
Posts: 2,204
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Was a "Full Flow" filter added?
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#8 |
Member
Join Date: Apr 2012
Location: south Iowa
Posts: 35
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The pickup tube is nice and close the bottom, not that
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#9 |
Member
Join Date: Apr 2012
Location: south Iowa
Posts: 35
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No filter
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#10 |
Member
Join Date: Apr 2012
Location: south Iowa
Posts: 35
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Oil galley plug??? maybe that's way the air seem to be coming out up in the block not any where else.
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#11 |
Senior Member
Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,564
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Maybe they forgot the idler gear in the back. You should get some oi pressure from just turning the stater with the spark plugs out.
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#12 |
Senior Member
Join Date: Feb 2013
Location: Eureka Calif.
Posts: 969
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Do 8ba's have an oil pressure relief valve in the valve valley? If so,was it installed? Just a thought.
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#13 |
Senior Member
Join Date: Oct 2016
Location: harpursville ny
Posts: 1,068
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#14 |
Member
Join Date: Apr 2012
Location: south Iowa
Posts: 35
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All good ideas and a pile of help. Takes me awhile to check each one. Still looking, this engine is all WAS all together with all the body fluids in it.
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#15 |
Senior Member
Join Date: May 2010
Location: upstate SC
Posts: 2,987
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had it happen before--oil gallery plug was left out
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#16 |
Member
Join Date: Apr 2012
Location: south Iowa
Posts: 35
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Guys I got to go to work, I'll be back and do some more looking. Thanks so much
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#17 |
Senior Member
Join Date: Jul 2016
Location: Lake worth Florida
Posts: 1,145
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You don't want it too close , sometimes the pickup is too close and can't suck the oil it's blocked by the oil pan
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#18 |
Senior Member
Join Date: Jun 2013
Location: Marana Arizona
Posts: 1,778
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Return it to the builder... No need to chase rabbits, if the builder is a "good guy" I am sure that he would rather find and fix the issue than have someone else "maybe" get it to work Chap
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#19 |
Member
Join Date: Apr 2012
Location: south Iowa
Posts: 35
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Had a day to think about this oil pressure problem. I made a plug with place to put some air into the block. Doing so there seem to be a lot of air exiting some where in the block. This laying on my back holding the hose and a light trying look and lesson. I've seem a picture of the oil system here [ford barn] and it looks like there should not be any where for mass amount of air to come out. I understand how the system works so I think or guess that there may be hole that is not suppose to be in the system. I wonder if I can make some sort low pressure pump to push oil up the oil pump hole so I can see something. Does this sound like a workable plan? I maybe thinking out loud. Thanks for all your replies .
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#20 |
Senior Member
Join Date: May 2010
Location: Oshkosh, Wi
Posts: 4,547
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Remove the intake manifold to see if the fuel pump pushrod bushing is in place.
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