I finally ordered a used engine and it should be here today, the boneyard where I purchased it suggested I replace the rear seals and a transmition pump seal. Any other tips anyone has to make the transition smoother? The engine is complete, except will use my old oil pan. We will use a tractor front end loader to pull-drop engine and we do have the service manual, just looking for a couple of tips that experienced MB people could give. Thanks for the help!!!

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1987 300 SDL
Working on the engine!
It's up and running!