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Generation III Internal Engine
What could this be from

Generation III Internal Engine 1997-2006 LS1 | LS6

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What could this be from

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Old

Aug 31, 2012 | 11:09 AM

#1

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What could this be from

I started doing an oil change and I found this on the drain plug. I don't have any clue what it could be from and am wondering if anyone might know.

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What could this be from-engine.jpg

Old

Aug 31, 2012 | 12:21 PM

#2

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Valve seal/spring seat??

Old

Aug 31, 2012 | 12:41 PM

#3

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I'm thinking spring seat as well...

Old

Aug 31, 2012 | 12:44 PM

#4

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If it is a spring seat/valve seal how did it get in oil pan?

Old

Aug 31, 2012 | 01:12 PM

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The same way oil gets from the top of the heads back to the oil pan?

Old

Aug 31, 2012 | 02:27 PM

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Touche. I should of thought of that before I posted my last post. Must of had a brain fart.

Old

Aug 31, 2012 | 02:37 PM

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That's why our drain plugs are magnetic, to catch flaws and accidents like that..

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Old

Sep 5, 2012 | 06:39 PM

#8

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By looking at this diagram I don't see anyway that the pieces in my first picture could of made it threw the oil passage system to make it to the oil pan.

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What could this be from-oil-flow.jpg

Old

Sep 5, 2012 | 07:15 PM

#9

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Quote:

Originally Posted by abrahamkay

By looking at this diagram I don't see anyway that the pieces in my first picture could of made it threw the oil passage system to make it to the oil pan.

Uhhh, look here?

Old

Sep 6, 2012 | 02:41 PM

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Another

Quote:

Originally Posted by abrahamkay

By looking at this diagram I don't see anyway that the pieces in my first picture could of made it threw the oil passage system to make it to the oil pan.

brain fart...
The return does NOT flow the same way as the drawing you posted...

Old

Sep 18, 2012 | 08:17 PM

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update

I changed all the valve seats/valve stem seals and they were not missing any pieces. Now I am really lost.

Old

Sep 19, 2012 | 07:05 AM

#12

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It looks like it is from a rocker arm trunion.
david

https://ls1tech.com/forums/attachmen...bad-rocker.jpg

Last edited by 6t7gto; Sep 19, 2012 at 07:14 AM.

Old

Sep 19, 2012 | 12:28 PM

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I have comp cam magnum 1.75 roller rockers and they are all good.

Old

Sep 19, 2012 | 12:45 PM

#14

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Lifter plunger retainer.

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