R58 Summer RF Tire
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Stephen
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Update: I couldn't pull the trigger to +up on tire size; subsequently I missed out on Michelin's PSS4S tire. Instead I installed Michelin's Pilot Super Sports 205/45ZR17/XL (88Y). Wow what a difference from the run-flats: (1) Improved handling tremendously; on the way home I took a few S curves (normal drive home for me) steering very responsive/positive feedback to the steering wheel it feels lighter and direct. Powering through a 90 degree turn it's point and turn very grippy. When pulling on the straights you fell the tires digging in. (2) Ride improved smoother/softer and firmer not that jittery feeling on the run-flats. (3) Tire noise has gone down noticebly too. All in all I "love these tires". I rolled out of the shop just north of $800. Tires weighed in at 19.5lbs each, the run flats weighed in at 23lbs so I was able to drop 3.5lbs per tire. I had a chance to weigh my OEM Conical Spoke Alloy Wheel 7Jx17 - 23lbs. Last bit of info; I'm running 38 psig.
Last edited by Wayne Sakamoto; 10-25-2018 at 11:10 AM.
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930 Engineering (03-05-2021)
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