Quote:
Originally Posted by Poodles
Clutch components are zero balanced, so they don't need to be balanced together unless they're sub-par.
There is still no proof that the OEM engineers said anything of the sorts...
Yep, it's common to run ATI dampers in the other car circles I run in because of this failure (as the OEM pulley is actually more expensive). Not to mention ATI is SFI rated while none of the normal LWCPs are.
Generally speaking though, pulleys are a bling item and nothing more (unless you're talking underdrive pulleys which introduces it's own set of issues).
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Been asked of subaru over and over again when these discussions come up.
http://forums.nasioc.com/forums/showthread.php?t=444518
And my engine shop (
http://www.rlengines.com) with 10000s of hours of experience would say your dead wrong about clutches needed to be balanced as a unit.