Quote:
Originally Posted by Frank Reiner
The above conclusion is easy to reach; all MB inline engine assemblies (crankshaft, front hub, flywheel) are balanced as assemblies. Some, randomly, may not have required any drilling of the flywheel and/or the front hub to achieve the desired state of balance. The existence of a "neutral" flywheel is a matter of chance, rather than a matter of design.
See Post #7.
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Good catch. Never occurred to me. Could easily account for the reported cases as well. That is some claiming neutral balance and others not when checked. Since he is sure he got the flywheel indexed as it was before removal. So it is a non issue although to me was the most probable one originally.