For what it is worth, my 240D flywheel was apparently not neutrally balanced, either. However, it had already been hung on what was reportedly an '80 300D motor, so it might have been rebalanced as part of the prior conversion. I could find no witness marks on it, so I suspect it may have simply been part of a hang it and hope for the best conversion.

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- K.C.Adams

'77 300D Euro Delivery
OM617 turbo / 4-speed swap
404 Milanbraun Metallic / 134 Dattel MB-Tex

Current status:
* Undergoing body work

My '77 300D progress thread