# Unidirectional tires and backwards installation

**URL:** <https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792>\
**Category:** PittSpeed Automotive\
**Created:** [March 5, 2006, 6:23pm UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792 "2006-03-05T18:23:05Z")\
**Posts on this page:** 18\
**Page:** 1

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**Author:** ![Jeff95TA](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jeff95ta/32/5935_2.png) [@Jeff95TA](https://forums.speedlife.net/u/Jeff95TA)\
**Post date:** [March 5, 2006, 6:23pm UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/1 "2006-03-05T18:23:05Z")

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If anyone wonders what happens when unidirectional tires are put on the wrong direction:

They are noisy, and you get really weird treadwear. I FINALLY got around to figuring out why the wife’s car was making noise. Rear tires were on the wrong sides. Now there’s a raised band (maybe 20 mils or so) at the center of the tire the whole way around, and the outer treads have raised areas on maybe every third tread block. Strange how it wore like that.

And there’s no one to blame but myself. Swapped all 8 snow tires on both cars the same night. Just plain careless putting them on and LAZY to wait this long to diagnose it. :bash:

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**Author:** ![German\_with\_a\_Bowtie](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/german_with_a_bowtie/32/5967_2.png) [@German\_with\_a\_Bowtie](https://forums.speedlife.net/u/German_with_a_Bowtie)\
**Post date:** [March 5, 2006, 6:24pm UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/2 "2006-03-05T18:24:58Z")

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Nothin some BIG burnouts won’t fix !!!

:naughty:

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**Author:** ![Shaggy](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/shaggy/32/5945_2.png) [@Shaggy](https://forums.speedlife.net/u/Shaggy)\
**Post date:** [March 5, 2006, 6:27pm UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/3 "2006-03-05T18:27:36Z")

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> [@GeneralG](#):
>
> Nothin some BIG burnouts won’t fix !!!
> 
> :naughty:

on a GTP ? who you kidding :booty:

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**Author:** ![Jeff95TA](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jeff95ta/32/5935_2.png) [@Jeff95TA](https://forums.speedlife.net/u/Jeff95TA)\
**Post date:** [March 5, 2006, 6:52pm UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/4 "2006-03-05T18:52:05Z")

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> [@GeneralG](#):
>
> Nothin some BIG burnouts won’t fix !!!
> 
> :naughty:

Funny you would say that, I actually went out and did that hoping to wear them a little more evenly. Found out the car has some kind of stability control besides traction control. Who knew…

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**Author:** ![munster\_ek](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/munster_ek/32/5977_2.png) [@munster\_ek](https://forums.speedlife.net/u/munster_ek)\
**Post date:** [March 5, 2006, 7:23pm UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/5 "2006-03-05T19:23:48Z")

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hahaha.

I know someone that did that with drag radials.

Watters :kekegay:

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**Author:** ![Sinner6.0L](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sinner6.0l/32/6016_2.png) [@Sinner6.0L](https://forums.speedlife.net/u/Sinner6.0L)\
**Post date:** [March 5, 2006, 7:39pm UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/6 "2006-03-05T19:39:48Z")

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I definitely didn’t know that was possible

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**Author:** ![VictorSmalls](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/victorsmalls/32/5944_2.png) [@VictorSmalls](https://forums.speedlife.net/u/VictorSmalls)\
**Post date:** [March 5, 2006, 7:46pm UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/7 "2006-03-05T19:46:41Z")

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> [@Jeff95TA](#):
>
> Funny you would say that, I actually went out and did that hoping to wear them a little more evenly. Found out the car has some kind of stability control besides traction control. Who knew…

Got to pull the TC fuse 🙂

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**Author:** ![flyinglow57](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/flyinglow57/32/5978_2.png) [@flyinglow57](https://forums.speedlife.net/u/flyinglow57)\
**Post date:** [March 5, 2006, 8:09pm UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/8 "2006-03-05T20:09:06Z")

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probably had poor water traction. instead of the water being shead off to the side of the tire. its pulled into the middle of the tire. with nowhere to go for it.

its amazing in how many cars i tow have the tires on the wrong side. tire places are morons anymore.

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**Author:** ![Sinner6.0L](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/sinner6.0l/32/6016_2.png) [@Sinner6.0L](https://forums.speedlife.net/u/Sinner6.0L)\
**Post date:** [March 5, 2006, 8:25pm UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/9 "2006-03-05T20:25:26Z")

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I’ll have to look at mine, I think they’re on right though

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**Author:** ![KeithO](https://avatars.discourse-cdn.com/v4/letter/k/4bbf92/32.png) [@KeithO](https://forums.speedlife.net/u/KeithO)\
**Post date:** [March 6, 2006, 2:57am UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/10 "2006-03-06T02:57:56Z")

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I have checked with Kuhmo (Victoracers), Toyo (RA-1’s) and Yokohama (AVS) over the years and they all told me the same thing - the unidirectional design really only applies to channeling water from the tire in rain.

Were these mounted backwards by accident or are you planning on “flipping” them on rim to extend the life of the tires?

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**Author:** ![Jeff95TA](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jeff95ta/32/5935_2.png) [@Jeff95TA](https://forums.speedlife.net/u/Jeff95TA)\
**Post date:** [March 6, 2006, 4:23am UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/11 "2006-03-06T04:23:49Z")

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> [@KeithO](#):
>
> I have checked with Kuhmo (Victoracers), Toyo (RA-1’s) and Yokohama (AVS) over the years and they all told me the same thing - the unidirectional design really only applies to channeling water from the tire in rain.
> 
> Were these mounted backwards by accident or are you planning on “flipping” them on rim to extend the life of the tires?

They were mounted on the rims correctly. In my haste to get the winter tires on, I just put them on the wrong side like a dumb ass.

Definitely a wacky wear pattern though. I’m assuming it’s because of the wrong mounting direction. They both did the same thing and were on the rear of the car, so most likely not an alignment issue.

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**Author:** ![Pewter](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/pewter/32/5936_2.png) [@Pewter](https://forums.speedlife.net/u/Pewter)\
**Post date:** [March 6, 2006, 4:59pm UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/12 "2006-03-06T16:59:58Z")

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so it was tires?is this the same problem from ur other thread?

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**Author:** ![KeithO](https://avatars.discourse-cdn.com/v4/letter/k/4bbf92/32.png) [@KeithO](https://forums.speedlife.net/u/KeithO)\
**Post date:** [March 7, 2006, 2:06am UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/13 "2006-03-07T02:06:33Z")

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Ahhh, don’t feel too bad. I was at a road race once and it started to rain. So, in driving rain, outside, I pulled my dries and installed my rains. I figured I was a pretty smart cookie since not everyone had/changed to their rains. I went out, ran the race (poorly) survived and after the race, a Vette driver came by my paddock and pointed out that I put ALL of the rain tires on the wrong side of the car.

Nothing like channeling water to the FRONT of the contact patch! LOL!

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**Author:** ![Jeff95TA](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jeff95ta/32/5935_2.png) [@Jeff95TA](https://forums.speedlife.net/u/Jeff95TA)\
**Post date:** [March 7, 2006, 4:18am UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/14 "2006-03-07T04:18:57Z")

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> [@pewterss](#):
>
> so it was tires?is this the same problem from ur other thread?

Yep.

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**Author:** ![Silver\_WS6](https://avatars.discourse-cdn.com/v4/letter/s/c0e974/32.png) [@Silver\_WS6](https://forums.speedlife.net/u/Silver_WS6)\
**Post date:** [March 7, 2006, 8:53am UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/15 "2006-03-07T08:53:53Z")

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because we have the electronic throttle body its very hard to do a good burnout theres alot of electronics to prevent ppl from doing stupid stuff to our cars ☹ in the snow i could have the gas pedal floored and it would only give it 1/6 throttle

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**Author:** ![Jeff95TA](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jeff95ta/32/5935_2.png) [@Jeff95TA](https://forums.speedlife.net/u/Jeff95TA)\
**Post date:** [March 7, 2006, 9:39am UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/16 "2006-03-07T09:39:14Z")

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Did you turn the traction control button off? I was doing 5k burnouts last night.

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**Author:** ![Jeff95TA](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jeff95ta/32/5935_2.png) [@Jeff95TA](https://forums.speedlife.net/u/Jeff95TA)\
**Post date:** [March 7, 2006, 9:39am UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/17 "2006-03-07T09:39:36Z")

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> [@Silver\_WS6](#):
>
> because we have the electronic throttle body its very hard to do a good burnout theres alot of electronics to prevent ppl from doing stupid stuff to our cars ☹ in the snow i could have the gas pedal floored and it would only give it 1/6 throttle

Did you turn the traction control button off? I was doing 5k burnouts last night.

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**Author:** ![T70\_Tsi](https://avatars.discourse-cdn.com/v4/letter/t/898d66/32.png) [@T70\_Tsi](https://forums.speedlife.net/u/T70_Tsi)\
**Post date:** [March 7, 2006, 9:42am UTC](https://forums.speedlife.net/t/unidirectional-tires-and-backwards-installation/180792/18 "2006-03-07T09:42:38Z")

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it still limits if the wheels aren’t spinning at the same rate, i can do burnouts also with the tcs off only if both wheels are spinning
