downs523

i have a 2003 sti, have looked at the tread on my tyres (both front tyres) the other day and they are worn out much more on one side of the tyre than the other, whats wrong?

ScuuBdoo

is the car lowered?

Camber needs adjusting.

downs523

not lowered, only bought it about 3 months ago, seems like its been like it for a while coz the tyres are quite worn, anyone else know?

STI Craig

yes, when you take suspension off a car you should always do the tracking,( most plsces dont bother tho) as it never sits in 100% the correct place, simply take your car to somewhere that can do 4 wheel alignment e.g. subaru

also make sure your tyre presures are all ok, usually a low tyre presure will cause both sides to scrub down quicker.

Brun

Cars straight from the factory often need alignment due to tyre eating

andythejock01wrx

Probably your tracking.

However, when I had my local Subaru dealer fit Prodrive springs, they said that I should be aware that the Prodrive geometry settings could result in excessive wear on the insides of the tyres. Got it done anyway, car handles much better and haven't yet noticed the wear as of yet.

swifty.....!

iTrader: (4)

is it the inner or outer edge? what about the rear tyres? did you ask previous owner if the car had a geometry setup done as this can make the inner edge wear faster.

downs523

its the inner of the front tyres only rears seem fine

STI Craig

I think we have clearly established that just the tracking needs doing then ?

Lateral Performance

iTrader: (20)

Wear on the inside of the tires can be because of the tracking, but on a Subaru it's normally due the amount of "negative camber", because it's a common method of reducing under steer.

The downside of increasing the negative camber is you will wear the inside of the tires more quickly, especially if you do a lot of motorway/A road miles.


Mark.

pmarch bugeye

Could also the 'driving over the cambered edges of speed cushions' be a contributory factor?