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View Poll Results: What should I do about uneven rear tyre wear?

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  • Swap the tyres front to rear

    3 50.00%
  • Fit cheap tyres

    1 16.67%
  • Increase tyre pressures

    2 33.33%
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Thread: Negative Camber= Rear Tyre Wear

  1. #1
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    Default Negative Camber= Rear Tyre Wear

    I know there have been lots of posts on this subject but I can't find a solution amongst them.

    My car is a Signum Design on Irmscher 19" alloys and lowered with Irmscher lowering springs (30mm, I think).

    I changed the back tyres about 60,000, plenty wear left but they were worn unevenly on the inside edge and howling. Just changed them again at 71,000, same problems.

    Took the car to Star in Kirkcaldy, had everything checked, tyre pressures, wear/movement in suspension components and everything OK. The guy tried to get rid of the excessive camber but said it was at the full extent of its adjustment. He would have been able to reduce the negative camber a bit but not without putting the toe way out. He suggested that I search on the internet for suspension components which would allow more adjustment but I can't find anything.

    I can't afford to keep throwing away what are otherwise perfectly good rear tyres every 10,000 miles (the howling actually started about 5 - 7,000) so what do you guys suggest?

    A few of my own:

    • Swap tyres front to rear (might play havoc with the TPMS though)
    • Buy and fit the cheapest rear tyres I can find
    • Increase the tyre pressure towards the fully laden values to reduce tread block squirming, bring more of the centre of the tread into contact with the road and hopefully allow the tyres to run cooler.
    Any ideas gratefully received! Sensible ones please - not like the tyre fitters - "buy another car"!

  2. #2
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    Id get a second opinion before doin any of the above, i wouldnt trust a mechanic who told me to look up the internet to find out what could be wrong with my car!!

  3. #3
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    Maybe the technician didn't know much about the equipment he was using or how to set up a vectra properly, i have never heard of anyone having issues after being set up on the hunter system (which i gather Star used).

    deffo get a second opinion

  4. #4
    Regular Member old cruiser's Avatar
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    Take a look at this website www.wheels-inmotion.co.uk they have a forum on there that you could place your question on, or, give them a ring and ask for Tony Bones (owns the company)who is an expert on this sort of thing and has sorted out my tyre wear issues on acouple of my motors. HTH
    Cheers Pete

  5. #5
    Regular Member Telly Addict's Avatar
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    Vehicle : BMW e92 335d

    Trim : M Sport

    Engine : 3.0 TT

    Year : 2008

    Default

    Ian from MPG runs massive camber on his VXR rears and swears by the handling improvement. He offsets the cost by fitting budget tyres...

  6. #6
    Regular Member m8internet's Avatar
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    The rear camber is dependent on ride height
    If the standard settings are used, then that is no good to you
    Firstly, they will be based on a 17" wheel
    Secondly, they will be based on standard suspension

    What you need to do is get the ride height measured
    Once you have that, you can then have the geomoetry (not the alignment) adjusted, and this should correct any over adjustment in the camber

    The Vectra has a quite a high negative camber setting, mine is -2'36 +/-15

  7. #7
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    Quote Originally Posted by old cruiser View Post
    Take a look at this website www.wheels-inmotion.co.uk they have a forum on there that you could place your question on, or, give them a ring and ask for Tony Bones (owns the company)who is an expert on this sort of thing and has sorted out my tyre wear issues on acouple of my motors. HTH
    Cheers Pete
    Thanks for this, Pete, I'll give him a go

  8. #8
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    Quote Originally Posted by m8internet View Post
    The rear camber is dependent on ride height
    If the standard settings are used, then that is no good to you
    Firstly, they will be based on a 17" wheel
    Secondly, they will be based on standard suspension

    What you need to do is get the ride height measured
    Once you have that, you can then have the geomoetry (not the alignment) adjusted, and this should correct any over adjustment in the camber

    The Vectra has a quite a high negative camber setting, mine is -2'36 +/-15
    Do you know anybody who would adjust the geometry? I went to Star because people on here spoke highly of them.

  9. #9
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    Default

    Quote Originally Posted by dh.dti View Post
    Maybe the technician didn't know much about the equipment he was using or how to set up a vectra properly, i have never heard of anyone having issues after being set up on the hunter system (which i gather Star used).

    deffo get a second opinion
    When I got the car, it came with a Hunter readout from Demon Tweeks in Wrexham, and they also said it was down to lowering and they couldn't adjust out the camber. I didn't see that as a problem at the time since the car came with new tyres.

    So I suppose I'm looking at a third opinion now...

  10. #10
    Regular Member muad_dib77's Avatar
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    Yeah - defo 2nd opinion time.. I've had some serious wear issues on a couple of my cars - it took me 3 different tries to get the wheel alignment right. Find a garage that has deathray like laser alignment - and they should be able to print you off a report with the before and after figures. ALSO it could be a case that your current setup simply doesn't allow for the correct adjustment (you touch on this yourself) - perhaps have a look at adjustable top mounts if these are available for your car.

    Either way - it can actually be downright dangerous to not have the proper setup - think about grip-levels and how much these change under cornering and heavy braking.

    2cents spent.

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