350 plastic in the oil pan????

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Old January 2nd, 2016, 02:31 PM
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350 plastic in the oil pan????

I have a olds 69 350.. i dropped the oil pan the other day and there's plastic at the bottom??? Its broken into about 15-20 pieces.
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Old January 2nd, 2016, 02:37 PM
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Plastic from camshaft timing gear. Pics?
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Old January 2nd, 2016, 02:39 PM
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Mixed with pieces of valve guide seals.
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Old January 2nd, 2016, 02:44 PM
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No metal at all just a orange looking plastic.... havent taken the heads off yet but thats my next step.. and no pics sorry my lens is cracked rite now
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Old January 2nd, 2016, 02:47 PM
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Take the timing cover off and you'll see where most of it came from.
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Old January 2nd, 2016, 02:52 PM
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Why are you taking off the heads?

Are you rebuilding it? Does it run badly?

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Old January 2nd, 2016, 03:07 PM
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No never ran bad... But 69 parts in 2015....Its not wrong to start thinking rebuild..Will take timing cover off and take a peak and let you guys know.
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Old January 2nd, 2016, 04:09 PM
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Originally Posted by Kyron219
No never ran bad... But 69 parts in 2015....Its not wrong to start thinking rebuild..
Yes it is.

1969: Parts made of high quality materials by Americans for American cars in the US.

2016: Parts made of "whatever" by Chinese, for nothing in particular (motto: "We copy, we sell, you buy, bye bye!") in Shang Zen.

Unless you want to make specific improvements, if it ain't broke, don't fix it.
Also, remember, the original head gaskets were steel shims about 0.016" thick, while the standard replacements are fiber and steel, about 0.047" thick, so you will lose about half a point of compression if you pull the heads "just because" and then reassemble with "standard" gaskets without milling the heads.

Change the timing set. If your running, performance, and oil pressure are good, then check the usual wear items and adjustments in the distributor and carburetor, and leave the rest alone.

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Old January 2nd, 2016, 04:18 PM
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what he just said

this is about what your timing set used to look like

http://www.ebay.com/itm/121854159524...%3AMEBIDX%3AIT

The plastic teeth are now filling the oil pump inet screen.

Easy enough to remove the oil pan, makes front cover easier. Remove pump, get pcs out of the inlet screen. Replace timing set and oil pump, button it back up
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Old January 2nd, 2016, 04:34 PM
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Originally Posted by MDchanic
Yes it is.

1969: Parts made of high quality materials by Americans for American cars in the US.
2016: Parts made of "whatever" by Chinese, for nothing in particular (motto: "We copy, we sell, you buy, bye bye!") in Shang Zen.
Unless you want to make specific improvements, if it ain't broke, don't fix it.
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X3--- If compression is good, valves are seating okay, and no major oil consumption, leave it alone.... Simply replace timing set....
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Old January 2nd, 2016, 05:51 PM
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Actually that sounds really good will try that....but i do have a little leaking fluid coming from the heads...on the passenger side....No anti freeze consumption or oil consumption either...but if its the the timing gear thats where ill start..Thanks You Guys

Oldsmobile strong
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Old January 2nd, 2016, 06:34 PM
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The leaking fluid may be from your heater hoses. If you do need head gaskets there are some that are much thinner than the Felpro stuff, however they do cost quite a bit more. We'll cross that bridge later if necessary.
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Old January 2nd, 2016, 07:13 PM
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Octania posted a good pic of what your original timing gear should look like when you get that far. I'm sure yours will look much different once you get the cover off. You have all the help you need here to get it back running, Good advice on leaving the heads in place until further diagnosis.
I would also like to see some pics if you get a chance to fix your camera.
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Old January 3rd, 2016, 02:15 AM
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Do as the others have said replaced the timing gear set,clean the oil pan out and run it.
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Old January 3rd, 2016, 03:24 AM
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My timing went out last year i been rplaced that and there wer no plastic at all in that timing set....But i did read once about a plastic bushing/gasket being somewhere on the camshaft.... Or the parts The parts that move the distributor had some plastic on it....But i guess ill just have to investigate a little more.
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Old January 3rd, 2016, 04:53 AM
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Those look like pieces of valve guide seals. Maybe. They're a bit blurry and poorly lighted.

If it doesn't burn oil, I wouldn't even worry about it.

- Eric
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Old January 3rd, 2016, 04:59 AM
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Ah my camera sucks sorry...As far as oil burning it just milky in the heads and oil pan....Its burns but the oil pump as i can see is clogged so running at half performance dont wanna te that chance and have to pull her out again...any suggestions from this point on where i should go...
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Old January 3rd, 2016, 05:18 AM
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If the oil looks like chocolate milk when you drained it then you have a intake or head gasket leak.
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Old January 3rd, 2016, 05:33 AM
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Not that milky...and i can believe it is intake...the guy that put it on put on some hardwear bolts...stretch those rite out...
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Old January 3rd, 2016, 06:03 AM
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Since the intake bolts are not torqued really high, stretch is not an issue.
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Old January 3rd, 2016, 10:08 AM
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Even if they are literally Chinese metal like literally... the wash and all are stretched and bent...
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Old January 3rd, 2016, 12:00 PM
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Originally Posted by Kyron219
Even if they are literally Chinese metal like literally... the wash and all are stretched and bent...
Huh?
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Old January 3rd, 2016, 03:17 PM
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The bolts and washers are stretched and bent....literally
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Old January 3rd, 2016, 06:54 PM
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Is there a problem procuring the proper hardware- like oh say re-using the stuff that the engine came with? Maybe getting Grade 5 or even Grade 8 bolts. Using thick Heavy Duty Washers like the factory did? Fastenal sells all manner of such things, as does McMaster-Carr....

It just occurred to me we may have jumped the gun. I missed the part where you already had dropped the pan... You might be showing us pcs of valve seals not causing worry. You are close to having the front cover off anyhow. Can you look in the bottom or thru the fuel pump hole and see if your cam sprocket has steel teeth in fine condition?

Perhaps your timing set is all steel because it has been replaced and the oil pan cleaned out already. If in the pan and pump inlet you have only a few tiny particles, that is not the majority of a timing sprocket toothed part. When they come undone, they provide a handful of material.

In taking a photo of otherwise nondescript stuff, always try to put a scale item in there, like a pen tip to point at interesting things.

Last edited by Octania; January 3rd, 2016 at 07:01 PM.
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Old January 4th, 2016, 03:37 PM
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Ok....yes thats the plastic that i found in there......and everything else looks fine no broken or any metal particals...So should i just put everything back together???? And as for the harware thats the whole point of me doing this myself.... But i only know so much thats why im asking you guys...Honestly
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Old January 6th, 2016, 03:56 PM
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Anybody from this point any advice is good.
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Old January 6th, 2016, 04:05 PM
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Clean the oil pump screen and reinstall the old pump. Did you inspect the timing chain?
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Old January 6th, 2016, 04:44 PM
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Yes did that everything is good to go....As for the oil pump screen is there anything in particular i should use
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Old January 6th, 2016, 04:49 PM
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The one that is on there originally is a good choice
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Old January 6th, 2016, 05:03 PM
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What chemical should i use to clean the oil screen
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Old January 6th, 2016, 05:14 PM
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Whatever - just use some solvent. Gasoline, diesel fuel, kerosene, lacquer thinner, turpentine, acetone, xylene, trichloroethylene, carbon tetrachloride...

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Old January 6th, 2016, 07:55 PM
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Don't forget to clean between the guard and screen, you may have to use a small screw driver or pick to get the plastic bits that are wedged in there,
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Old January 8th, 2016, 09:58 AM
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Ok now im kinda really not sure from this point.....Here is everything out the oil screen ..
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Old January 8th, 2016, 10:03 AM
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Looks like timing gear teeth to me.

Focusing would help a lot.

The sink drain in the background is helpful for scale - I assume it's within a few inches and not several feet away.

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Old January 8th, 2016, 11:08 AM
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Thats about the normal size pile that's pulled out of there.
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Old January 8th, 2016, 03:28 PM
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Yeah but it all plaastic timing gear is metal.....as i look at it and piece it together it looks as if whatever it is is inserted or pressed into something...Any idea's.....Engine ran fine before pulled apart...just wondering what the hell this is.
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Old January 8th, 2016, 03:34 PM
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Is your timing gear aluminum or steel?

If it's steel it's been replaced, if it's aluminum it's shot, because what you've got there used to be on the gear.

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Old January 8th, 2016, 03:42 PM
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Here is a picture of a nylon covered OEM timing gear shedding.



If yours has been changed then it will most likely not have any nylon on it and the chain should not have much play.
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Old January 8th, 2016, 03:50 PM
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No not timing gear all pieces are there been replaced it and now just looked at it..All good.....Could it be the upper cam gear or oil shaft gear.....
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Old January 8th, 2016, 03:52 PM
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Originally Posted by oldcutlass
Here is a picture of a nylon covered OEM timing gear shedding.



If yours has been changed then it will most likely not have any nylon on it and the chain should not have much play.
Thats what was in there before but when i changed it...It had all its teeth the chain was just stretched...
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