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Old 07-23-2011, 01:44 PM
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Priming the Oil System

I am in the middle of installing a new long block after discovering a cracked cylinder when I pulled my heads to do HGs. So how do I go about priming the
the main oil system or the entire oil system if possible. The long block will have a new oil pump so I would like to prime it some how so I am not cranking a dry motor when I try to start it.
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Old 07-24-2011, 05:56 AM
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So far it looks like no one knows how to prime the oil system.
I have another question, is there a copper washer that goes on the glow plug like the injectors have.
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Old 07-24-2011, 06:34 AM
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Quote:
Originally Posted by webefine View Post
So far it looks like no one knows how to prime the oil system.
I have another question, is there a copper washer that goes on the glow plug like the injectors have.
yeah there is your guna pull your ficm relay and crank it over for a while. that will prime it youre guna hear a thumping noise thats normal. and no no copper o ring on glow plugs.
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Old 07-24-2011, 07:14 AM
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Quote:
Originally Posted by PowerstrokeTech82787 View Post
yeah there is your guna pull your ficm relay and crank it over for a while. that will prime it youre guna hear a thumping noise thats normal. and no no copper o ring on glow plugs.
Yep, I agree. Just leave the FICM relay out till you see it build oil pressure on the gauge. It will take awhile for it to fill up the high pressure oil reservoir and high pressure oil system. Probably will take you about 3 30 second cranking sessions to get it started. Make sure you crank it for 25-30 seconds at a time. Just hitting it for 10 seconds at a time will take it forever to build oil pressure.
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Old 07-24-2011, 08:54 AM
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Thanks guys, I am more concerned about the main oil pump getting oil to the bearings. It looks like after I put the main oil pump on I can dump oil down into it from the oil cooler port, that will at least make sure the the main pump starts pumping oil right away.
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Old 07-24-2011, 08:58 AM
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Yes, that port runs from the oil pump straight to the oil cooler module. As long as you pre-lubed the oil pump when you installed it you should be ok though. I like to use like Lucas oil additive or an assembly lube/grease on oil pumps. If you installed it dry then yes, definitely pour oil down that port.
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Old 07-24-2011, 09:24 AM
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wait a minute, your not doing a long block sounds like your doing a short block.

IF thats the case you only have a block with cam, lifters, pistons, rings, rods, crank, and bearings. I assume you have all the gaskets and O rings to put this together with if you ordered an enhanced short block, if not get them! Youll need the bed plate gasket, timing cover (rear of the block along with GREY 7.3 oil pan silicone sealer) front cover, oil pump, pickup tube o ring, oil pan gasket, head gaskets, hpop cover gasket, intake gaskets, Thermostat gaskets, water pump, and manifold gaskets. Providing you removed the manifolds from the heads when you (if you) sent them out.

make sure you got a new Oil cooler, im not a fan of putting short blocks together with oil coolers that were in grenaded or cracked engines. Same with vgt solenoids.
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Old 07-24-2011, 09:49 AM
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No I am doing a long block, everything came put together up to the rockers.
I am installing oil pan, back plate and flex plate, front module, oil pump and everything on top of the motor.
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Old 07-24-2011, 10:01 AM
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As long as you pre-lubed the oil pump during installation you should be ok to just crank it with the FICM relay out to prime it.
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