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Old 02-20-2013, 07:20 PM
morcey2 morcey2 is offline
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Is the counterweight that you see part of the mounting flange at the back of the crank? 2-piece rear main seal 305s are all internally balanced and that counterweight that you see is part of that balance.

Have you pulled the flexplate/flywheel off the old engine and compared them directly?

Matt
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