Knock, Knock, Whos There? Help!

[deathraider6996]

what did the plugs look like when they came out any really clean ones?

Nope all the same.

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[deathraider6996]

Call NASA and tell 'em to crank up the Hubble Space Telescope to search for your headgaskets orbiting the planet. That knocking sound you're hearing...that's consistent with RPM...mite be a rod bearing that's been pounded into tinfoil from KR.

I really wish I never saw your comment... Guess I'll pull the heads...

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[deathraider6996]

Call NASA and tell 'em to crank up the Hubble Space Telescope to search for your headgaskets orbiting the planet. That knocking sound you're hearing...that's consistent with RPM...mite be a rod bearing that's been pounded into tinfoil from KR.

Wouldn't there be metal in the oil?

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[Just a Six?]

Call NASA and tell 'em to crank up the Hubble Space Telescope to search for your headgaskets orbiting the planet. That knocking sound you're hearing...that's consistent with RPM...mite be a rod bearing that's been pounded into tinfoil from KR.

I had that exact thing happen to me. One half of only 1 rod bearing was flattened out & noise went with RPM. Try unplugging the injectors 1 at a time. That's how Norbs & I found the issue. Machine shop confirmed what we thought it was. Weird it was only one but that's all it takes!

"Wouldn't there be metal in the oil??
Not really, it was pancaked but it wasn't torn apart at all. Looking at it I saw nothing until Martin measured it.

[1 RARE T]

Sounds more like the right head gasket is blowing compression out the side.

Pull the heads. 

Rod bearing flat isn't what he's hearing I don't think. 

[Steve Wood]

That's my guess, too.

Mike is usually right!

[Just a Six?]

Either way seems that the heads are coming off. Oh well shit happens! 

[larrym]

If you can get it to run pull plug wires 1  at a time it should get quieter when you kill the spark to rod making the noise.

[Steve Wood]

Pulling injector connectors is less painful🙉

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[Steve Wood]

And it does not hurt the module, either

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[larrym]

Pulling injector connectors is less painful🙉

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Never thought of that!

[deathraider6996]

In the slow/learning process of removing the heads I found these metal chunks in the little pools of oil under the rocker shaft.





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[daveismissing]

I'd get after the previous owner for "selling' you that car with a faulty headgasket.
Noticed that he doesn't seem post here anymore....

[TexasT]

In the slow/learning process of removing the heads I found these metal chunks in the little pools of oil under the rocker shaft.





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That's just a lack of maintenance, could happen to anybody, right?
Brings to mind some Latin, " caveat emptor".

[larrym]

Its possible that is graphite from the head gasket, make sure you drop the pan and inspect the pickup and clean out any debris. How was your oil pressure?