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why do classics always wear the outside edge of the front tyre?

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Old 15 March 2010, 08:03 PM
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KickboxingCrazy
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Default why do classics always wear the outside edge of the front tyre?

all the classics ive had/seen have excessive wear on the outside edge of the tyre.. on my freinds car he has the same problem, the centre of the tyre still has 6mm tread while the outer edge is on limit. is this why you get the understeer too. will a ALK improve this
Old 15 March 2010, 08:08 PM
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pjsprojects
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Mine does this and has the adjustable top mounts but i guess the tracking is out. Thing is coilovers are so hard that any pot hole will knock the tracking out.

I'm binning my Tein coilover with cusco top mounts for some normal suspension as they are great for track use but utter rubbish on our roads.
Old 15 March 2010, 08:33 PM
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KickboxingCrazy
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Originally Posted by pjsprojects
Mine does this and has the adjustable top mounts but i guess the tracking is out. Thing is coilovers are so hard that any pot hole will knock the tracking out.

I'm binning my Tein coilover with cusco top mounts for some normal suspension as they are great for track use but utter rubbish on our roads.
my trackings been done and is fine. its asif there negative camber
Old 15 March 2010, 08:41 PM
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Setright
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My 1992 Legacy had a beautiful comment in the HANDBOOK! Under the troubleshooting section, probable causes for "Excessive wear on the outer edge of the tyres" :

Under inflated tyres

Poor alignment

Worn suspension parts

Excessive speed in turns




Sounds like you need some more negative camber on the front. Try -1.0, to match the rear.
A slighter thicker rear ARB will also help you out.
Old 15 March 2010, 09:00 PM
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KickboxingCrazy
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haha thats funy, aint that what they was designed for.

is it possible to increase camber on standard sti suspension setup?
Old 16 March 2010, 06:31 AM
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scooby1doo1
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Def a problem if you got 6mm in the middle, my00 does the same but only 3mm or so left in the centre. Does need some new suspension though along with bushers.
Old 16 March 2010, 12:02 PM
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KickboxingCrazy
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fink its a coummon fault
Old 16 March 2010, 02:52 PM
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scooby1doo1
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maybe common fault now due to yrs of wear and tear, i'm going to be fitting all new bushers, shock and springs so all should be fine after laser treatment.
Old 16 March 2010, 02:54 PM
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i was told before that its when u pull off and the front of the car lifts and the only part of the tyre to touch the tarmac is the inner edge but your sayin outer so i aint got a clue lol
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