Quote:
Originally Posted by DWC
ScotI- This new engine is using a different, seasoned, block.
I sold the old 383 to a guy who was going to balance it with his flexplate and put it in a K5 Blazer with an automatic.
The final consensus was the old engine's rotating assembly was balanced with a flexplate when built and my "off the shelf" flywheel was "off" balance enough to cause the vibration.
Daniel
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Got-cha. Seems very possible.