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05-01-2015, 06:45 PM | #1 |
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Join Date: Apr 2015
Location: Port Orchard, Washington
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Metal pellet looking things an my oil pan!
Hey guys, I blew my head gasket last week on my '66 Chevy C20 that has a '69 350 SBC in it and slowly been working on it. Today I decided to drop my oil pan because I wanted to make sure there wasn't any metal in it but sure enough, I have small pellet sized chunks sitting in there alone with a few larger pieces. Anyone know what this is from/caused by?
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05-01-2015, 06:46 PM | #2 |
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Re: Metal pellet looking things an my oil pan!
Here's a pic. There's a lot more pellets in the pan.
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05-01-2015, 07:39 PM | #3 |
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Re: Metal pellet looking things an my oil pan!
Big piece looks like a part of a piston and the smaller bits maybe burnt bearings
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05-01-2015, 08:05 PM | #4 |
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Re: Metal pellet looking things an my oil pan!
Yep, the big ones a piston skirt...
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05-01-2015, 08:06 PM | #5 |
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Re: Metal pellet looking things an my oil pan!
So what are my options? Never ran into this before!
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05-01-2015, 08:31 PM | #6 |
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Re: Metal pellet looking things an my oil pan!
First look up inside the cylinders from the bottom and see what piston has a broken skirt. That's the bottom inch or so of a broken piston.
Usually but not always they break like that because the piston is slapping in the worn out bore of the cylinder. That quite often happens on an engine that has received more than one rering job where the cylinders were honed and a new set of rings were put on the pistons and it was ready for another 70K if the bores weren't worn that bad. There are other reasons such as detonation or foreign object damage but I would bet on piston slap. If it is from detonation you are going to see pits in the top of the piston. One more thing that may be related to the blown head gasket and other metal fragments in the pan is that the engine may have hydrauliced with coolant in the cylinder and broke the piston and probably bent the rod.
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Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
05-01-2015, 08:59 PM | #7 |
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Re: Metal pellet looking things an my oil pan!
That's a rare option. Is it listed on your SPID or did a PO install it?
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05-01-2015, 09:24 PM | #8 | |
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Re: Metal pellet looking things an my oil pan!
Quote:
Yeah man it's not good when you find metal chunks of any kind in your oil pan. (Thank you captain obvious) but seriously it's likely that there is some nasty damage in there, you don't get chunks that big without tearing something up. |
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05-01-2015, 09:24 PM | #9 |
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Re: Metal pellet looking things an my oil pan!
yep, you're gonna have to pull that motor and do a rebuild... sorry about that but you broke a piston and maybe bent a rod...
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05-01-2015, 09:47 PM | #10 |
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Re: Metal pellet looking things an my oil pan!
If coolant was on top of the piston(s), you probably have a bent valve or two also. You possibly have a good bit of cylinder block damage too.
That sucks!
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Tim Yesterday is history, tomorrow is a mystery, today is a gift, that's why it's called "the present". 1971 Sierra Grande LWB, 350/TH350, Factory Air Lots, of future mods planned!! |
05-01-2015, 10:22 PM | #11 |
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Re: Metal pellet looking things an my oil pan!
Don't listen to these naysayers! Some metal chunks in an oil pan just means you need a new oil filter.
I am sorry you have this.....I guess you need a new engine or face a rebuild. Unless you do it yourself, I think a new engine is the cheaper option. |
05-01-2015, 11:59 PM | #12 |
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Re: Metal pellet looking things an my oil pan!
Listen to Mr48, good advice!
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05-02-2015, 01:52 AM | #13 |
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Re: Metal pellet looking things an my oil pan!
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05-02-2015, 03:23 AM | #14 |
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Join Date: Apr 2015
Location: Port Orchard, Washington
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Re: Metal pellet looking things an my oil pan!
Saying screw it and motor shopping tomorrow. Buddy I know had about 8 small block sitting in his shop. All ran when removed. Thank you all for the help!
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05-02-2015, 12:14 PM | #15 | |
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Re: Metal pellet looking things an my oil pan!
Quote:
And some people just want a "new engine" when all they really needed was a set of valve seals or a new cam. At the u-pull-it I've seen countless good 350 .030 flat top short blocks that already had the heads removed. If I needed an engine assembly I'd pull a head until I found a nice one then select the set of heads I wanted, snag a serpentine set-up with all the accessories, bolt it together and pay the just under $300 dollars then go home and re-gasket and maybe paint, maybe change cams on it. Actually a 1 pc seal 88-95 truck engine with serp would be nice just get good heads not the swirl port and a nice aluminum quadrajet intake and 80-89 quadrajet. It's hard to snag the Vortec 350's with all the "parts hawks" floating around exploiting the yard for a profit. But, they have the right. LT1 style roadmaster engines are easily obtained here. This would make a nice build thread if I needed an engine, or a magazine article. |
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05-02-2015, 02:19 PM | #16 | |
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Re: Metal pellet looking things an my oil pan!
Good advice! Complete engines at my local you pull it are only $140....$30 extra and they'll burn it out for you and sit it in the bed of your truck.
Quote:
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05-02-2015, 02:57 PM | #17 |
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Re: Metal pellet looking things an my oil pan!
Blown head gasket ... cannot compress water. Likely you hydro-locked a cylinder or two which can cause all sorts of damage. Have seen pieces like that before. You piston/s probably look blasted like below.
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05-02-2015, 03:53 PM | #18 | |
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Re: Metal pellet looking things an my oil pan!
Quote:
http://www.buildabear.com/promise-pets/ |
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350 sbc, metal pieces, oil |
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