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Old 08-12-2008, 07:36 PM   #4
AndrewtechAutomotive
NASIOC Vendor
 
Member#: 99694
Join Date: Nov 2005
Chapter/Region: MAIC
Location: 94 Legacy Right-hand,
Vehicle:
2002 dogbox,'11 wrx

Default

The cost of doing business with performance parts is a compromise of NVH.

The noises you hear are totally normal.

A decrease in mass means a decrease in vibration damping. It's not the flywheel actually making noise, it's the flywheel making the noises that would be there anyway, more apparent. ANY lightweight flywheel will do similar things and make similar noises.

Phil
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