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      01-17-2018, 08:19 PM   #79
Vetracr
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Drives: 2010 BMW Z4 3.0
Join Date: Jun 2016
Location: Palm Beach, FL

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Quote:
Originally Posted by fmorelli View Post
That was the focus of my input - the Turner bar is multi-piece. I also wonder how stiff it is by design ... I was addressing your observation of deflection which I believe you surmised by the tire scrub. I'm wondering if the steel, solid Luxon bar may reduce the deflection?

Filippo
I tested the Turner bar with machinist blue. I placed it on the bar where the bolted joints are located. After a day at the track I noticed no scrub marks on the blueing on the bar indicating no movement. Feathering on the tire edges is caused by toe out, not a camber change caused by the upper strut mounting deflecting. The M3 strut arm bushing rubber deflects too much with sticky tires on the track.
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