First, I reviewed this link:

More on Motor Mounts

As I'm sure most are aware, the motor shock mounts are expensive so I'm thinking of filling them with Shore A 70 urethane. for the 1984 300DT. Thoughts or ideas are welcome and appreciated!

I used the shore 70 on my engine shock mounts. According to what I have read here the shore 70 will transfer vibrations to the frame...steering wheel if used on engine mounts.

I think the pros here recommend shore 30 for the engine mounts. That's what I used but I haven't started the engine yet so I can't further comment.

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84 300SD
85 380SE
83 528e
95 318ic