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Wonderful on the street, got about 4-6k out of my rears but replaced (with same)prematurely due to punctures. Really thought highly of them on the track too....until Corvette track days at Spring Mt a month ago. Rears worked great at Laguna Seca then seemed to work great for about 3-4 laps then went away quick at Spring Mt, prob ate 50% of useful life in 6 20 min sessions. Could be the heat cycling but honestly, I think that I was just driving way to bad for any tire to cope (To compare, I rode with an instructor on stock BALD rubber and he was prob 20% faster around the track than me), plus the cars alignment was off from lowering. Going out this weekend, so I will know more. Original Nitto Fronts are still on and are about 50% worn. Clear as mud?
Last edited by sidewayz; Mar 2, 2006 at 11:03 AM.
Reason: clarified Laguna statement
I have them on my Z which is a daily driver. My first set of rears lasted 12k, which included 2 track days and 2 trips to the dragstrip. I don't remember how long my fronts lasted, but it was ~ the same or a bit less, Roebling road eats front outside tires. Do note that I am one who tries not to light them up in 1st gear the street (although I do occasionally spin them in higher gears)
They are wonderful tires and hook like glue in the corners, I am so spoiled on onramps now that I don't think I could ever go back to the F1's...
These are a great tire my last set has 3000 mi on them and they are gone. They had 3 track days and 2 trips to the drag strip. They are on a Z06 with a c5r 427 500+ rwhp.
I've had a set of Nitto 555RII tires on the car for 7000 miles now. The fronts are still good but it's getting to be time for the rears to be replaced. I'm down to the wear bar on the center 2/3 of the tire. I'm planning to use the 555R tire (DR tire) in the rear. Still having traction problems with my new setup.
cool....I have 3500miles currently...never been to the track, but used in the mtns on runs alot. I 'm getting spoiled with the grip, don't think I'll go back to F1's...I was only getting about 12,000 on the last two sets of F1's. My wear still looks good on the Nitto's, but heard the tires should be replaced around 5K, due to heat cycle.....but it seems some of you got more life out of the tires. ..Thanks for responses.