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Has anyone seen this before? After only 4 runs last Sunday, three of my new tires have separations like this. The fourth has what appears to be developing separations.
http://farm4.static.flickr.com/3335/...69f781.jpg?v=0
http://farm3.static.flickr.com/2474/...4f63a3.jpg?v=0
http://dougcovington.smugmug.com/pho...10_bucWy-M.jpg
Dunno if it's related, but my 615's have developed some "lines" on them after the bus lot event.
Huh... haven't seen that on a set of V710s since they first came out.
It is tread ply separation. The first thing I would do is contact whoever you bought them from and see if you can get replacements (never hurts to ask, right?). If not, you can continue to run them, but flip them over and run them on the opposite side of the car from this past weekend. Should help keep them from separating further.
BTW, what is the date code on that set of tires?
4808Quote:
Originally Posted by altiain
I had a tread splice similar to yours but on the face of the tread. It opened up and trashed a pretty new tire.
Contact Kuhmo if the tires were recently purchased. The date code has them being produced at the end of 08 (but you knew that).
I'd not trust my life and car with those tires.
That's the typical bus lot wear pattern :lol:Quote:
Dunno if it's related, but my 615's have developed some "lines" on them after the bus lot event.
Go to Pennington and rough them up ;)
So what did you figure out cone-cerned?
I think I figured out that at $700 for 4 runs, I should have had a co-driver to pay for the tires.::Clown::
Tire Rack says toughski shitski, there is no warranty of any kind on competitions tires. I am planning on calling Kumho, but don't expect anything different.
altiain says he thinks it's OK to run them, goofygrin says do not run them. I am planning to take the tires to a few more people to have more opinions about running them.
But, it looks like I'm going to be running ES on Falkens. At least, I won't have to change tires at the event. But, I do want to stay in ES.
hey I'm an f'in newbie who runs on sloppy seconds tires, so I'm not choosy :) Run on them if you want... but you never know when one might delaminate itself.
goofy drives a Lancer I'd discount anything he says. ;)
I've corded many a 710 without catostophic results. (YMMV)
How deep are the cuts?
Try calling 1-800-445-8646.
http://www.aboutautomobile.com/Tire/...V710/04T008000
Check page 2. Might want to contact this guy.
http://sccaforums.com/forums/2/344221/ShowThread.aspx
I say run 'em until they die. Besides, the Bus Lot will just clean the cuts right off the tire. ;)
I say make them tell you the tire is safe and are willing to take responsibility for any damage or injuries. If not tell them to replace the tires.
Thanks, ken o, I am now in contact with Woody at Tire Rack and Rudy at Kumho, through Woody. And, I have a thread on SCCAforums.com.Quote:
Originally Posted by ken o
Yea what he said! ::Clown::Quote:
Originally Posted by POS Racing
I had this symptom - as well as separation across the tread - after running the road course last season. I followed the recommendation and flipped them front to back and to opposite sides, and the symptom disappeared. I understand it's pretty common on the V710, and nothing to worry about.
Well, I just ordered my new ::kumho:: V710's from Tire Rack. Kumho :1Place: is adjusting the "cut" ones at 100%, and paying for return shipping and tire mounting labor.
Great outcome for me.
Thank you Kumho.
Thank you Tire Rack.
They should also cover your mileage driving to and from the tire store to have them mount and your time waiting.
jk - Good deal! Way for them to stand up and do what's right. Rare in today's corporate environment.
+1 ... I may have to try some of those cheater Kumho's next.Quote:
Originally Posted by ken o
What about your finishing positions at AX's that were altered by your concern for safety? :D
Did they make any comment as to what caused the problem?
Did you bribe them with a Black Russian cake?
Black Russian cake - FTW
Get a BRC FTW plate and be cool.
Kudos to Kumho and Tire Rack for standing behind their products. I had a similarly positive experience when the V710s first came out and had tread ply separation problems.