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Raize
Joined: 18 Sep 2013 Posts: 229 Location: Scotland
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Posted: Wed Aug 28, 2024 5:28 am Post subject: Tyre Wear |
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In 11k miles I've worn my Pilot Sport 4's down from the starting 7-8mm to the following tread depths:
Front outer: 5.5
Front inner: 4.5
Rear Outer: 3.5
Rear Mid: 2.5
Rear Inner: 3.5
Does this seem reasonable or should I be questioning my alignment? I do drive it pretty hard. |
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morghen
Joined: 21 Jan 2005 Posts: 8944 Location: Romania
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Posted: Wed Aug 28, 2024 3:56 pm Post subject: |
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Depends how you drove the car
But it does seem excessive to me.
It seems you may have a slight toe out situation on the fronts.
Seems you're running a bit too high pressure on the rears and probably the rear axle is skewed compared to the front axle..or the other way around.
A aproper 4 wheel alignment may be in order.
Find an expert shop that knows how to align these cars, not just some random shop and have them align it...but first..check the bushings front and rear and replace anything that isnt fresh. _________________ https://www.the924.com |
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safe
Joined: 18 Mar 2017 Posts: 630 Location: Sweden
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Posted: Wed Aug 28, 2024 4:44 pm Post subject: |
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An alignment is cheaper than new tires... If you haven't done one it's for sure overdue. _________________ /Magnus, Stockholm Sweden
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Porsche 924 -79 NA, EFI and Turbo.
Porsche 931 -79
Porsche 911 -77, 3.2 Targa
Porsche 911 -69, 3.6, Coupe |
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Raize
Joined: 18 Sep 2013 Posts: 229 Location: Scotland
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Posted: Sat Aug 31, 2024 11:20 pm Post subject: |
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Measured the (negative) camber at:
2.0 / 1.8 front
2.3 / 2.7 rear
Measured the toe (in) at:
0.3 / 0.3 front
0.2 / 0.3 rear
Tyre pressures are 2 bar all around.
It's not great but is it bad enough to wear out rear tyres? Trying to do the rear alignment is not a favourite job of mine and I certainly can't afford shop rates. |
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Riggard
Joined: 16 Feb 2021 Posts: 65 Location: Heemskerk, Netherlands
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Posted: Sun Sep 01, 2024 6:18 am Post subject: |
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think the rear tire pressure is supposed to be quite a bit higher. Front 2 should be ok. |
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Cedric
Joined: 27 Aug 2004 Posts: 2674 Location: Sweden
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Posted: Sun Sep 01, 2024 6:54 am Post subject: |
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2bar front and rear is according to the manual, its a good starting point. _________________ 1980 924 Turbo
www.instagram.com/garagecedric/ |
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