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Old 07-31-2009, 01:34 PM   #7
Topless
Track rat
 
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Join Date: Nov 2006
Location: Southern ID
Posts: 3,701
Garage
I have a fairly fresh set of Sumi HTRZ (180 treadwear not HTRZ III) that came with a set of 17" takeoff wheels. I had planned to mount R-Comp tires on the wheels and ditch the Sumis. I have changed my mind. These are really nice street/daily driver tires. Very predictable, quiet, good road manners, good traction wet or dry. I now have several spirited canyon carving days and 1 track day on them. I highly recommend.

They don't have the crisp turn in or absolute grip of my last set of PS2s but they are a joy to drive around town or "going deep" in twisty mountain roads. The one downside is track days. In continuous fast laps on a warm day grip fades pretty quickly. Where PS2s would really hang in there the Sumis start to get greasy by lap 3 or 4. I will run out these tires as my new daily driver tire. The R-comps are going on the other set of rims for the track.
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2009 Cayman 2.9L PDK (with a few tweaks)
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