Larry D,

Fill'er up and see if she keeps kicking.
If the bearings and/or head are shot, there's no sense in looking for a pan.

If the car is okay, you can repair small damage with J.B. Weld easily. No reason to pay for welding when J.B. is $2 a pack.

Good Luck with it,

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William
76 240D (W115) - 550K miles
78 300D (W123) - 200K+ miles