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3.8 Crank Flexplate balancing

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Old 12-15-2008, 02:33 PM
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Default 3.8 Crank Flexplate balancing

Does anyone know if the crankshaft and flywheel is balanced separately or as one peace form the factory? It'* a 87 3.8 FWD Bonneville engine. Also is the flywheel neutrally balanced?

Thanks.

Alex.
Old 12-16-2008, 08:21 AM
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Not sure on your year. However the next engines up the harmonic balancer and flywheel both play a part in balancing the motor as does the balance shaft. I would tend to think yours was in the same category.
Old 12-16-2008, 10:53 AM
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Not sure about the harmonic balancer but this engine doesent have balance shafts.
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