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Jim2 Jim2 is online now
7.0:1 > 11.3:1
 
Join Date: Oct 2003
Location: Calgary
Posts: 1,865
Garage
My two groove 79 930 pulley was solid.
I also have an 89 930 two groove which is solid.

I noticed on both a 964 and a 993 motor there was rubber isolation which appeared to be for harmonic (edit) dampening.

Last edited by Jim2; 10-08-2007 at 09:15 AM..
Old 10-08-2007, 07:57 AM
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