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Can Z tires be rotated?

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Old 12-05-2009, 11:34 AM
  #21  
bdblackz
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Originally Posted by gregom
Technically you could swap the tires by removing and remounting them on opposite wheels. But thats not the way the tires were designed, because then you have the outside of the tire on the inside, and vice a versa. If the tread pattern is symmetrical side to side this probably wouldn't be that big of a deal, but I doubt the tire shop would do it.

If you just swap the wheels yourself, the directional (or asymmetrical) tread pattern is pointing backwards and will cause weird tread wear. Because as far as your tires are concerned, your essentially driving in reverse more than forwards.

Most tires i've seen will say "Rotation" and be inside of an arrow pointing which way the tires are supposed to rotate when driving forward to make sure they are mounted properly.

Just live with them for awhile if there isn't too much wear from the negative camber on the outsides.... otherwise it's time to buy new ones.
Directional is NOT the same as asymetric. Acutally, in most cases they are opposite - an asymetric tire can be mounted to rotate both ways, and these are the ones that say "outside" or "inside". Directional tires can only go one direction and have the rotation arrow.

Both can be swapped left-right on the vehicle. The directional tires you have to dismount off the wheels and then swap, whereas the asymetric ones you just take the wheel/tire assembly off and put it on the other side.
Old 12-05-2009, 02:47 PM
  #22  
Spike100
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Originally Posted by bdblackz
Directional is NOT the same as asymetric. Acutally, in most cases they are opposite - an asymetric tire can be mounted to rotate both ways, and these are the ones that say "outside" or "inside". Directional tires can only go one direction and have the rotation arrow.

Both can be swapped left-right on the vehicle. The directional tires you have to dismount off the wheels and then swap, whereas the asymetric ones you just take the wheel/tire assembly off and put it on the other side.
As long as we are discussing this, I would mention that some tires are both directional and asymmetric.

BTW: It’s not asymetric, but rather asymmetric.

--Spike
Old 12-05-2009, 03:03 PM
  #23  
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Originally Posted by Spike100
As long as we are discussing this, I would mention that some tires are both directional and asymmetric.

BTW: It’s not asymetric, but rather asymmetric.

--Spike

Yes I think I have that kind on the 370Z. At about 10,000 miles I will put the inside on the outside and outside on the inside. See if I can cheat death!
Old 12-05-2009, 03:15 PM
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bdblackz
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Thanks for the spell check Spike.

Originally Posted by davidv
Yes I think I have that kind on the 370Z. At about 10,000 miles I will put the inside on the outside and outside on the inside. See if I can cheat death!
This is not directional...
Old 12-05-2009, 03:58 PM
  #25  
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Originally Posted by bdblackz
Thanks for the spell check Spike.
...
No problem... Since you are a tire engineer and that's a common term in your profession, I thought I should mention the spelling error. Hopefully that will save embarrassment if the error was repeated at your workplace.

--Spike
Old 12-05-2009, 04:09 PM
  #26  
Spike100
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Originally Posted by davidv

Yes I think I have that kind on the 370Z. At about 10,000 miles I will put the inside on the outside and outside on the inside. See if I can cheat death!
Originally Posted by bdblackz
… This is not directional...
Hmm… I think you missed his point, and the sarcasm.

David’s posts are short, but they go very deeply. He is certainly one of the more interesting commentators here. I really like reading his stuff.

--Spike
Old 12-05-2009, 04:26 PM
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Originally Posted by Spike100
Hmm… I think you missed his point, and the sarcasm.

David’s posts are short, but they go very deeply. He is certainly one of the more interesting commentators here. I really like reading his stuff.

--Spike
BTW TireRack ran directional tires backwards. Of course I would never drive in the rain with the V-water displacement pattern backwards.

Reference: http://www.tirerack.com/tires/tirete...jsp?techid=188
Old 12-05-2009, 04:52 PM
  #28  
Spike100
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^^ Interesting reading… Your point is well-taken. We are always looking for “absolutes,” but in the real world that is rare. It’s mostly compromises that we are dealing with. Automotive tires are a good example.

--Spike
Old 12-05-2009, 05:10 PM
  #29  
bdblackz
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Originally Posted by Spike100
Hmm… I think you missed his point, and the sarcasm.

David’s posts are short, but they go very deeply. He is certainly one of the more interesting commentators here. I really like reading his stuff.

--Spike
Just making sure - if there's one thing you've taught me Spike, it's that people can totally misunderstand the simplest things.
Old 12-05-2009, 05:20 PM
  #30  
Spike100
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^^ Yeah… whatever…

Well OK… Here is your project: Design a summer performance tire that runs quietly and lasts for 30K+ miles. Do it… Do it now!

--Spike
Old 12-05-2009, 06:03 PM
  #31  
INTIMAZY
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Originally Posted by Spike100
^^ Yeah… whatever…

Well OK… Here is your project: Design a summer performance tire that runs quietly and lasts for 30K+ miles. Do it… Do it now!

--Spike
I also request that it be suuuper stick with a treadwear of no greater than 50. Ya know, for those track days.
Old 12-05-2009, 07:27 PM
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seriously? how can this thread have 30+ posts about rotating friggen tires!
OMFG deal with the slight tire wear and BUY NEW TIRES
Old 12-07-2009, 08:18 AM
  #33  
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Sport's car with indepent rear will have more wear cause of the sag. Same as the vette, porsche, 350z, etc....
Old 12-07-2009, 06:11 PM
  #34  
Spike100
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Originally Posted by jeremyh007
seriously? how can this thread have 30+ posts about rotating friggen tires!
OMFG deal with the slight tire wear and BUY NEW TIRES
Well... It's a little more complicated than your simplistic request.

It's not just about rotating tires, but rather determining the best options for extending tire-life and tire replacement.

--Spike
Old 12-08-2009, 12:10 AM
  #35  
xthejokerx
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Falken FK-452s look like they are symmetrical (http://www.falkentire.com/Tires/Passenger-Car/FK452-3)... I've tried searching and didn't find out whether they can be rotated or not... Do you guys know?
Old 12-08-2009, 12:53 PM
  #36  
Spike100
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Originally Posted by xthejokerx
Falken FK-452s look like they are symmetrical (http://www.falkentire.com/Tires/Passenger-Car/FK452-3)... I've tried searching and didn't find out whether they can be rotated or not... Do you guys know?
I’m going to avoid answering/arguing this one and pass this to our resident tire engineer, bdblackz.

I’m sure he knows (really… not kidding here).

--Spike
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