07-18-2015, 05:22 PM
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#1
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Registered User
Join Date: Jun 2012
Location: Hernando Beach, Florida
Posts: 444
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New rear tires (scary story)
I knew I was going to need tires soon. I could see the wear bars beginning to show. Not bad, but getting there. Then I started to hear an odd noise from the rear of my car. The ride didn't seem very smooth either.
Now keep in mind most of my driving is highway miles (70+ mph)
I got down low and looked at the tires and could see on the passenger side a worn spot.
Well damn it. No procrastinating, time for the purchase. At the shop to get them put on, I noticed that they were worse than that!
Awww hell. I feel foolish. How could I have let them get that bad?!
Well wait. It gets worse.
Putting my phone inside the tire, still on the car, but on the lift.
Thank you lord for sending the guardian angel that was looking after me. I can't believe that I didn't have a blowout.
Go easy on me people. I'm plenty angry with myself.
__________________
2003 Boxster S, 6-spd, Seal Grey/Grey top
Ka is a wheel, and everything is 19
Last edited by Coffinhunter; 07-18-2015 at 05:26 PM.
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07-18-2015, 05:34 PM
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#2
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Registered User
Join Date: Jun 2013
Location: Nanaimo, Vancouver Island, British Columbia, Canada
Posts: 900
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make sure to get your alignment done at least once a year !
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07-18-2015, 05:44 PM
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#3
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Beginner
Join Date: Mar 2013
Location: Houston
Posts: 1,659
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I monitor my tires. So far, so good!
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2003 S manual
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07-18-2015, 05:45 PM
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#4
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Rookie
Join Date: May 2014
Location: Portland Oregon
Posts: 215
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As I get up off the couch to go check my tires......
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02 Seal Grey 5 Speed
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07-18-2015, 06:18 PM
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#5
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,793
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Holy corded tire Batman!
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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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07-18-2015, 08:24 PM
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#6
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Registered User
Join Date: May 2013
Location: North Alabama
Posts: 2,079
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Same thing happened to me a little over a year ago
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07-18-2015, 08:35 PM
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#7
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Registered User
Join Date: May 2013
Location: Oklahoma City
Posts: 856
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I thought that looked familiar!
Me, a couple of months ago. The tires looked fine, until I crawled under the car to check the condition of the ball joint boots. That was a bit of a shock, the wear pattern on the rear tires is deceiving. Got a 4-wheel alignment with the new tires.
Glad you didn't experience a failure on the highway!
__________________
"Remember, I'm pulling for ya! We're all in this together."
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07-18-2015, 08:50 PM
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#8
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Registered User
Join Date: Sep 2013
Location: Calgary
Posts: 177
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Great reminder to us all. Thanks for the courage to make this post. Off to crawl under mine then a night sleep
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07-19-2015, 04:37 AM
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#9
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I am my own mechanic....
Join Date: Feb 2013
Location: Salt Lake City, UT
Posts: 3,433
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Great post. I have a very distinct vibration @ 35-40 and 65-70. Brought it in for balance. That inside edge is right at tread bars and between that and an alignment from replacing a trailing arm it needs an alignment and rears this week.
What does a proper alignment make the rears sit like? As far in on that inner edge? Should we be telling the alignment guy anything?
__________________
'04 Boxster S 50 Jahre 550 Spyder Anniversary Special Edition, 851 of 1953, 6-sp, IMS/RMS, GT Metallic silver, cocoa brown leather SOLD to member Broken Linkage.
'08 VW Touareg T-3 wife's car
'13 F150 Super Crew long bed 4x4 w/ Ego Boost
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07-19-2015, 06:00 AM
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#10
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Registered User
Join Date: Sep 2008
Location: Agoura Hills (LA) So.Cal.
Posts: 1,574
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It is post like this that..... saves lives. Nice job.
__________________
1995 Porsche C4 Cab
2016 BMW M2, 6 Speed LBB - ED 7/2016
1997 993 Cab - Sold; 1997 993 Turbo - Sold
2001 Boxster S - Original Owner - 30K Miles -SOLD
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07-19-2015, 06:10 AM
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#11
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Registered User
Join Date: Dec 2013
Location: Greenville, S.C.
Posts: 2,670
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Thanks for the courage to post about your own mistakes, it's pretty clear that we all make them. A good reminder to the rest of us here!
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07-19-2015, 06:17 AM
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#12
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Registered User
Join Date: Sep 2006
Location: Omaha
Posts: 2,866
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And I thought I rolled with good guardian angels.
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GPRPCA Chief Driving Instructor
2008 Boxster S Limited Edition #005
2008 Cayman S Sport - Signal Green
1989 928 S4 5 spd - black
1987 928 S4 - Granite Green Metallic (Felsengrun)
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07-19-2015, 06:53 AM
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#13
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Registered User
Join Date: May 2011
Location: Miami florida
Posts: 1,591
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Quote:
Originally Posted by Timco
Great post. I have a very distinct vibration @ 35-40 and 65-70. Brought it in for balance. That inside edge is right at tread bars and between that and an alignment from replacing a trailing arm it needs an alignment and rears this week.
What does a proper alignment make the rears sit like? As far in on that inner edge? Should we be telling the alignment guy anything?
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Common wisdom is to get as much negative camber OUT of the rear wheels. It will always be somewhat negative because the nature of the stock suspension.
Second, and probably more important, get the rear toe as close to 0 deg. as possible. Most people think the inside wear is caused by negative camber but its usually because of too much toe.
The rear will be much more lively at 0 toe, which most people like because the car rotates easier, some people find it "twitchy".
__________________
Current car
2000 Boxster 2.7l red/black
Previous cars
1973 Opel Manta
1969(?) Fiat 850 Convertible
1979 Lancia Beta Coupe
1981 Alfa Romeo GTV 6
1985 Alfa Romeo Graduate
1985 Porsche 944
1989 Porsche 944
1981 Triumph TR7
1989 (?) Alfa Romeo Milano
1993 Saab 9000
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07-20-2015, 11:52 AM
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#14
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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I learned the same lesson (the same way) in 1990 on my 71' Triumph TR-6. Outer edges of tires looked fine, inside edge was falling apart. Glad that you noticed it before something serious happened!
For a street car, I'd suggest staying with the stock alignment spec's (which can still result in uneven tire wear). Yes, heavy inside wear can be somewhat aligned out, but it will be as a trade-off for some other non-preferred condition (like poor or even scary handling).
The take away here is to check the entire width of a tire.
__________________
1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
Last edited by thstone; 07-20-2015 at 11:56 AM.
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07-20-2015, 12:26 PM
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#15
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Registered User
Join Date: Aug 2005
Location: Sanford NC
Posts: 2,537
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My standard is 3 measurements across the tread and spin the wheel with your hand resting on the tread to feel any irregularities.
Most auto shops sell a really cheap measurement device that allows you to push a plunger into the gap and then do a simple readout.
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