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Oil swirls after rebuild

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Old 09-11-2023, 02:48 PM
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Has to be bearings I’m gonna take off vale covers see if something happening there would a failed lifter cause this? I would hear it though no?
Old 09-11-2023, 03:03 PM
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That looks more like coolant than metal to me. Unless you can get some 'grit' on your finger or isolated it's just not metal. Metal doesn't dissolve in oil.

example:


Old 09-11-2023, 03:04 PM
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Yes exactly the look. Which either way probably has to be fully rebuilt? What could cause coolant in the oil besides a bad head gasket
Old 09-11-2023, 03:05 PM
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You said it wasn't using coolant yes?
Old 09-11-2023, 03:07 PM
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Coolant level is fine but one thing I did notice is with the rebuild the creep up of engine temp to about 210 from 190 when keys off
Old 09-11-2023, 03:10 PM
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The heat soak shown on the gauge is normal in my experience.
I think at this point pressure test and see if you do have a coolant bleed somewhere.
Old 09-11-2023, 03:13 PM
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It’s just Metallicy swirls which takes me away from coolant I took some in clear jars one from pan from filter oil to see ive built a 7mgte myself and an old 302 the ls platform is newer to me honestly messaged the engine builder with pictures and said where do I go from here. I’m not one to pass blame but all I did was valve covers and bolt it to the trans
Old 09-11-2023, 03:16 PM
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Originally Posted by Lxjoshxl
Yes exactly the look. Which either way probably has to be fully rebuilt? What could cause coolant in the oil besides a bad head gasket
Pulling the heads isn't that big of a task. To me a "full rebuild" involves a bare block and a machine shop. Maybe get one of those tests for coolant and test your coolant for exhaust gasses?
Old 09-11-2023, 03:26 PM
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So a new rebuild which got washed with coolant wouldn’t need a full build down to the block? Asked engine builder if he checked for cracks no cracks he said I know the guy was very thorough not sure I’ll get the coolant test kit not sure how long black stone takes for an answer
Old 09-11-2023, 03:42 PM
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No way that much metal powder got left in a block during a rebuild.

Even if it had, there's only one way it could have got out from inside the block; and that is, through the bearings. Unquestionably the death of the new motor if so.
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Old 09-11-2023, 03:44 PM
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I agree it’s either something metal on metal disintegrating or coolant but I would feel like that much coolant I would of dropped a lot of level.
Old 09-11-2023, 03:53 PM
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Originally Posted by Lxjoshxl
I agree it’s either something metal on metal disintegrating or coolant but I would feel like that much coolant I would of dropped a lot of level.
Not trying to be a dick but if there is a bunch of gritty material in the oil why no evidence in the oil filter?

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Old 09-11-2023, 04:28 PM
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Originally Posted by Lxjoshxl
So a new rebuild which got washed with coolant wouldn’t need a full build down to the block? Asked engine builder if he checked for cracks no cracks he said I know the guy was very thorough not sure I’ll get the coolant test kit not sure how long black stone takes for an answer
Even if it got washed with coolant its a non-issue, just repair the leak. If you are leaking coolant its probably a head gasket.

Think about it this way, you haven't even leaked enough coolant to milkshake your oil. Just find the repair and don't worry about it, the internal parts are almost certainly fine.
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Old 09-11-2023, 04:32 PM
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Originally Posted by MySons68C20
Not trying to be a dick but if there is a bunch of gritty material in the oil why no evidence in the oil filter?
maybe the oem oil galley dumbell is flowing to much it’s not gritty to the point where I can grind my fingers together and feel a bunch of grit it’s very fine super fine which could be why it’s not showing in the filter? I’m going to to a leak down test tomorrow and see if I have a coolant leak I just feel like I would see the level go down and it would be more milky than a shimmer.
Old 09-11-2023, 05:31 PM
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maybe the oem oil galley dumbell is flowing to much
No. Whatever else is going on, it isn't that.

That's metal. Coolant in the oil makes it look like coffee with cream at first, then gradually turns more to milk shake. It's not coolant. Something inside there is disintegrating. Sooner or later it'll show up. Best to catch it before it does, if possible.

The oil filter only catches particles down to some finite non-zero size. Powder like that can pass through. As said earlier, try catching it with a coffee filter, maybe dissolve a few ounces of it in lacquer thinner first to allow the liquid to go through easier; and see what it really is.
Old 09-12-2023, 07:24 AM
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If that a total machine shop build, I'd pull it as is and drop it off with instructions for the shop to find out.
If you start disassembly it's yours as the shop will weasel their way out.
Old 09-12-2023, 08:13 AM
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I would show your oil to the shop that built the motor. This way your covered.
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Old 09-12-2023, 11:38 AM
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Tried the coffee filter nothing in there, went to machine shop showed the oil said it’s a little off but could be the break in oil. and he listened to motor says little valve train noise which is normal with the setup and to send it to black stone see what they say and go from there I guess for now I’m going to drive it 500 more dump it again
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Old 09-12-2023, 11:51 AM
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Insid

e of filter
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Old 09-12-2023, 01:24 PM
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No glitter spotted by my eyes.


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