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[quote name='968workaholic' post='40714' date='Sep 3 2007, 07:06 AM']BTW the bottom one that can't be seen wears about twice as fast as the top one.[/quote]

OT, but why does that happen ? Isn't the tension on both pads identical ? <img src="/forum/images/smilies/968/huh.gif" class="smilie" alt="" />

[quote name='ds968' post='40716' date='Sep 3 2007, 11:32 AM']OT, but why does that happen ? Isn't the tension on both pads identical ? <img src="/forum/images/smilies/968/huh.gif" class="smilie" alt="" />[/quote]



You would think that would be the case. I am not sure exactly why it happens, all I know is that it does. Thank the Porsche engineers for designing the vario-cam the way they did. But, if you know about it then it won't be an issue.

I found this online. The authors approve use of the document for non-profit uses. Hope it is of value: