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Forum namePerformance/Engine
Topic subjectUnderdrive Pulleys
Topic URLhttps://forums.2gnt.com/dcboard.php?az=show_topic&forum=i5&topic_id=3776
3776, Underdrive Pulleys
Posted by 95ESi, Jun-20-01 06:03 AM
Can some one answer me this? AFX/Howell?

Will a use of an underdrive pulley in a 420a cause any harm to the engine? ie Is the stock pulley weight used as a harmonic balancer?

As well, what about for the 4G63? Does anyone know?


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