Pieces of steel in cylinder??

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George, do you think this is something that had gone on for some time? Or is this something that happened after running it hot a few times?
 
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It all happened when that hardened valve seat dropped out. Piston trying to smash that full circle hardened valve seat, sends the force down to the rod bearings and crank bearings and starts hammering them out of shape, while the pistons are trying to pound the valve seat chuncks into smaller and smaller pieces sending them into the other cylinders at the same time.

Hand grenade in the engine so to say.

Good photos of it all. Thanks
 
You're gonna make something outta this because you are actually listening. Good job. I bet you will salvage it yet!
 
okay... in the oil galleys too, sounds like shot blast.
I've seen seats come out and just go out the tail pipe while the valve hammers the lip left from it. You got steel shot all inside everything, seat would not go I to the oil galleys...
Valve seat would not do this much. Imo
Who in the hell put this pos together?
 
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MOPAROFFICIAL said:
How do you end up with steel shot not just in the Pistons ...but in the oil galleys ? come on... how many seats we talkin fell out?
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I know. Somebody almost had to throw it in there.
 
RustyRatRod said:
I know. Somebody almost had to throw it in there.
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Shot blast cab.. you mount the heads or block between bars and close the door....spins stainless steel shot cleaning it, opening it...removes all crud. Old school aka racing nowadays.
 
MOPAROFFICIAL said:
Shot blast cab.. you mount the heads or block between bars and close the door....steel shot removes all crud. Old school
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Yeah. We had one at a shop where I worked. But it wasn't like that. I liked it. A lot. It was a rectangle box I guess about 8" wide by 12" long. The top was hinged with a lock and the inside was lined with hard rubber. It was mounted on an axle driven by an electric motor. It was great for shot peening rods and smaller parts. It worked really good.
 
RustyRatRod said:
Yeah. We had one at a shop where I worked. But it wasn't like that. I liked it. A lot. It was a rectangle box I guess about 8" wide by 12" long. The top was hinged with a lock and the inside was lined with hard rubber. It was mounted on an axle driven by an electric motor. It was great for shot peening rods and smaller parts. It worked really good.
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Ours was 3x4 or so.
This one is a little bigger than ours was.

IMG_2551.jpg
 
Righty Tighty said:
View attachment 1715389098 View attachment 1715389099 What the huh??
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That's bearing material...

You need to tear down the block and get all of that out of the oil passages...

Get a wire coat hanger and straighten it out, then poke from the hole in the cam bearings down to the main bearings to knock that extra material out... Then blast it with a pressure washer or take it to to a do-it-yourself car wash and blast all the passages clean...

This thread will help guide you through tearing down the block and cleaning it out...

How to Rebuild a Small Block Part 1: Block Prep
 
The 2nd pic from post #105 looks like solder and the remains of a soldering project. [melted solder that fell onto a flat surface].

It'd be interesting to cut open the oil filter to see what's inside.
 
Show us the cam bearing above that plugged port in the block, and the #3 rod bearing (or all of them). That is a lot of material if it is the same thing as on the outside.

How are the rockers and the shaft on the driver's side head? If that hole was plugged for any length of time, that shaft would run out of oil.

The technical term for this is AFU....
 
Do you all think its bearing material?
That crank journal should be destroyed if that was the case.imo
Who put it together, that is the question I wanna know. Measure the crank and see if the bearings are even matched.
Muat'a been a loose std someone put a .010 under bearing into to do this kinda damage .

"Motor ran great till one day"

Fishy AF. Imo
 
So, I'm not up on additives but is it possible that's from some sort of snake oil additive in which the "zinc" "boiled" out of?
 
MOPAROFFICIAL said:
how many seats we talkin fell out?
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Just one seat fell out - the #3 exhuast. Funny thing is, the pieces of the seat that were in the cylinders were magnetic. This material around the crank isn't magnetic. Most is very, very tiny and spherical. Like grit. I'll post up some pics of all the bearings and such a little later. The driver side head was all pretty burned up looking, especially around the #3 and #5 valves. I'm guessing due to the missing seat? Passenger side head looked near new.
 
Righty Tighty said:
Just one seat fell out - the #3 exhuast. Funny thing is, the pieces of the seat that were in the cylinders were magnetic. This material around the crank isn't magnetic. Most is very, very tiny and spherical. Like grit. I'll post up some pics of all the bearings and such a little later. The driver side head was all pretty burned up looking, especially around the #3 and #5 valves. I'm guessing due to the missing seat? Passenger side head looked near new.
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Had a 73 van, 360 with a head job done at some point... no.5 exh seat fell out, scar'd the piston and then broke and went out the tail pipe, it was down on power and 10 psi lower. Installed height jumped, surprised it didnt let the keepers out... but the motor was fine.
Unless the piston has a hole in it... there is no way that seat could get into the oil.
So whoever put it together... built a time bomb. Smearing bearings takes effort imo.
Did it even rotate after assembly, probably not... but the 4.1 mopar starter dont care..
 
Lead Foot and High Exhaust temps contributing factors. Lol . .

Fun looking it over and figuring it all out. Good case study.
 
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