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Old 06-03-2021, 10:00 AM   #1
my3sons_nh
 
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Sidewall: Inside v. Outside

Just had a set of Continental ExtremeContact DWS06+ installed on my '18 2SS Vert to replace OEM runflats. Definitely a much smoother ride however.

I felt vibration in the wheel at 70+ and figured they didn't balance the fronts correctly. I checked the front sidewalls and noticed the "Inside" marking is on the outside of the tire. The rears are fine and say "Outside". Could this be the source of the vibration and could this cause any other issues with performance/longevity?

Regardless, I asked my installed to remount them correctly so the fronts indicate "Outside" as they should.
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Old 06-03-2021, 10:13 AM   #2
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Love the question. First, I agree you should have them remounted correctly.
Goodyear agrees:
https://www.goodyear.com/en-US/learn...-tire-mounting

So, could this have caused unwanted vibration? I'll vote "maybe," since a few sites in my research talked about unwanted noise. Noise and vibration often go together.
Guess you'll find out when you get the car back!
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Old 06-03-2021, 12:34 PM   #3
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Maybe but would have been a traction problem in wet and/or lite snow.
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Old 06-03-2021, 03:00 PM   #4
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Quote:
Originally Posted by my3sons_nh View Post
Just had a set of Continental ExtremeContact DWS06+ installed on my '18 2SS Vert to replace OEM runflats. Definitely a much smoother ride however.

I felt vibration in the wheel at 70+ and figured they didn't balance the fronts correctly. I checked the front sidewalls and noticed the "Inside" marking is on the outside of the tire. The rears are fine and say "Outside". Could this be the source of the vibration and could this cause any other issues with performance/longevity?

Regardless, I asked my installed to remount them correctly so the fronts indicate "Outside" as they should.
Yes.

But since they couldn't install the tire correctly, I wouldn't be surprised if they didn't balance the tires correctly.

I would find another place to correct the mounting of that tire and check the balance on all the wheels.
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Old 06-03-2021, 03:08 PM   #5
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In the dry, many tires can be run in either direction, the problem will be when it rains. I suppose it could also create a vibration. Either way, you should definitely have them remounted the correct way.
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Old 06-04-2021, 04:44 AM   #6
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They are remounting the fronts and rebalancing all tires today. I'll update on the "feel"... You learn something new every day! ;-)
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Old 06-05-2021, 10:12 AM   #7
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That did the trick! I had them check all four as well... I never would have guessed it could matter that much.
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Old 06-05-2021, 10:18 AM   #8
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Quote:
Originally Posted by ctrlz View Post
Love the question. First, I agree you should have them remounted correctly.
Goodyear agrees:
https://www.goodyear.com/en-US/learn...-tire-mounting

So, could this have caused unwanted vibration? I'll vote "maybe," since a few sites in my research talked about unwanted noise. Noise and vibration often go together.
Guess you'll find out when you get the car back!

Learned a bit about directional v. asymmetrical tires... Thanks!
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Old 06-07-2021, 09:39 AM   #9
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Quote:
Originally Posted by my3sons_nh View Post
I never would have guessed it could matter that much.
Funny how following the directions often ends up being the best way to do things!
Glad your installer did not give you a hard time.
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