| Well, after the fiasco with my Courtesy upper arms, I went with the Powertrix front upper a arms. I was impressed with the quality of the product before and after install. 
After the alignment, I was set at -1.0 camber for the street, which easily adjusts to -2.2 for the track with 3 revolutions of the arms. I tried the arms out this weekend at MSR. It was foggy Saturday, but the track conditions were surprisingly good: 
I also had this to play with: 
360 Stradale with ceramic brakes. His wife drove an Elise: 
Carbon fiber all over that 360: 
The owner also supposedly has a few lamborghinis, multiple Porsches (inluding a carrera GT), and a few other Ferraris. Well, I gave him a good look at my Jspec tail lights as I lapped him multiple times throughout the day! Sunday we had better conditions, and one of my MSR group buddies showed up with his race-prepped 911: 
George has been an instructor for a few years, and he initially instructed me last year. He used to lap me multiple times a session, but he was unable to pass me after 30 minutes on Sunday. My lap times have improved to 1:27-1:28 consistently. George runs 1:25s, with a best of 1:22, and the track record is 1:18, so I still have a long way to go. I am improving, though, and that is fun to see. Also put the hurt on a couple of M3s, another 911, and an S2000. I was very impressed with the upper arms. My R-compounds are now wearing evenly, and my cornering capacity has improved significantly with all that negative camber. I was much faster in several turns. That is all- take care.
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Powertrix Front Upper Arms - 
