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06-23-2022, 07:57 AM
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#5
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dances with roads
Drives: '07 E86, '02 996, '95 Seven
Join Date: Jul 2015
Location: the perimeter
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Quote:
Originally Posted by XMetal
If you're referring to the "grooves" in the center venting vanes, I believed it's for balancing the rotor. It's a method for them to remove materials in order to properly balance it. Each rotor should be slightly different, if you look closely.
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Makes sense.
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