Got to do the 260E's valve stem seals today. Midway through taking break
This should help anybody who wants to do there's.

Found a few issues though...

1) Some cam wear. Oil gallery holes on the rocker arms were really bugged up which is why we believe the rocker arms are scored the way they are in the pictures...

2) Compression is good, but some cylinder leakage...35%. Not ideal, but the engine runs absolutely fine so I'm not worried about it at this point.

3) Color is obvious...lack of oil changes for sure. I wondered if it was some other wrong fluid at first, but I'm pretty sure its just a lack of maintenance now I have looked at the rocker arms.

Onto the pics:

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k