Update:
I had some time today from my other projects and daily life stuff to mess around with it some more. I did do stethoscope but still feel like it the noise is coming from center of engine somewhere in final gear area; maybe...
I drained the old final gear oil and it looked like crap. Kind of looked like it had metal flakes in it (i used an old drain pan though from another engine rebuild that did have metal flakes- dumb me)
So I filled with more gear oil and drove around for ten minutes - noise still present and increases with acceleration.
Drained off the new oil and used a clean pan, but I think it still has some metallic flakes; hard to tell.
Here are some pics..
pic 1 and 2 is the newly drained gear oil in 2 different pans.
pic 3 and 4 is Left is brand new oil from out of the bottle. and right is oil that has been run for 10 minutes.
What do you guys think??
Do I have tio remove entire engine to open it up and see?
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