03-23-2019, 06:27 PM
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#1
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,797
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What tire are they?
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2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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03-23-2019, 06:30 PM
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#2
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Registered User
Join Date: Nov 2018
Location: NY Suburbs
Posts: 339
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Quote:
Originally Posted by JayG
What tire are they?
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Michelin Pilot Sport A/S
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2004 Boxster S, 6 spd, Triple Black
1986 944 Turbo (sold in 1988)
Since then, a 300ZX, a few BMW 3 Series, a few VW's
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03-24-2019, 02:57 AM
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#3
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Registered User
Join Date: Feb 2018
Location: New Zealand
Posts: 59
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This was covered about 3 months ago on this forum. They wont flat spot.
If you want to test, let it sit for 48 hours, jack up the car and turn the wheel by hand. If it was flat spotted, you will be able to see it if it is there.
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03-24-2019, 04:23 AM
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#4
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Registered User
Join Date: Dec 2013
Location: Dahlonega , Georgia
Posts: 1,350
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Tires being 8 years old most pro's would say time to replace , regardless of miles or how good the tread looks . I think most would say 5 years is the max then replace .
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2002 Boxster S Arctic Silver with black top with glass window and black leather interior. Jake Raby 3.6 SS ( the beast ) with IMS Solution. 996 GT3 front bumper , GT3 rocker covers and GT3TEK rear diffuser and Joe Toth composites rear ducktail spoiler .
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03-24-2019, 05:09 AM
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#5
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Registered User
Join Date: Nov 2018
Location: NY Suburbs
Posts: 339
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Quote:
Originally Posted by rfuerst911sc
Tires being 8 years old most pro's would say time to replace , regardless of miles or how good the tread looks . I think most would say 5 years is the max then replace .
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Yes, I've heard "experts" say anywhere between 6 to 10 years is the useful life of a tire. But is that in any way related to the flatspotting?
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2004 Boxster S, 6 spd, Triple Black
1986 944 Turbo (sold in 1988)
Since then, a 300ZX, a few BMW 3 Series, a few VW's
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03-24-2019, 12:32 PM
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#6
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Registered User
Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
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Quote:
Originally Posted by BoxMann
Yes, I've heard "experts" say anywhere between 6 to 10 years is the useful life of a tire. But is that in any way related to the flatspotting?
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I am a tire expert & I say there are many variables but no way should you drive on tires that are older than 6 years. 
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OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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03-24-2019, 05:17 AM
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#7
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Registered User
Join Date: Nov 2018
Location: NY Suburbs
Posts: 339
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Quote:
Originally Posted by marsheng
This was covered about 3 months ago on this forum. They wont flat spot.
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So why is it showing the classic, textbook signs of a flatspot?
And btw, I did a search and didn't see anything from 3 months ago on this topic. Most recent was about 18 months ago which seemed to say that tires can flatspot overnight.
__________________
2004 Boxster S, 6 spd, Triple Black
1986 944 Turbo (sold in 1988)
Since then, a 300ZX, a few BMW 3 Series, a few VW's
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03-24-2019, 09:48 AM
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#8
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Custom User Title Here
Join Date: Mar 2012
Location: Ft. Leonard Wood
Posts: 6,164
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Quote:
Originally Posted by marsheng
This was covered about 3 months ago on this forum. They wont flat spot.
If you want to test, let it sit for 48 hours, jack up the car and turn the wheel by hand. If it was flat spotted, you will be able to see it if it is there.
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What?
Of course low profile tires will "flat spot".
There's no way you'd see it on a pressurized tire (unless you have bionic laser eyes), but you can sure as heck feel it.
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03-24-2019, 10:12 AM
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#9
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Registered User
Join Date: Nov 2018
Location: NY Suburbs
Posts: 339
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Quote:
Originally Posted by particlewave
What?
Of course low profile tires will "flat spot".
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But will they do it in 12 hours or overnight?
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2004 Boxster S, 6 spd, Triple Black
1986 944 Turbo (sold in 1988)
Since then, a 300ZX, a few BMW 3 Series, a few VW's
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