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Tire Inside Edge Bald


Fatbillslim
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My IS has destroyed the inside edge of my tiers at the front,

I have noted that the lower arm bush has split also on both sides but not split all the way trough.

And on have an ides of best place to go to replace these and a cost?

Andrew page (Bolton) said £300 ish each

The arm with the bush goes from the bottom ball joint to the chassis

can this be cause of tier Wear

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full geo sounds expensive

First understand the difference.

............................

Various methods are described to encourage you to resolve tyre wear or handling issues, additionally members in forums are keen to advise but often fall victim to the same miss-information, read carefully and stay ahead of 'alignment the big con'

Tracking/Alignment

Is linear, this measurement shows no concern for any other angle. This form of measurement is the most common in the World and the most damaging.

Angles measured 1

Four wheel Alignment

Uses the rear wheels as a scale to centre the steering rack.... then the front toe..... this is better but is assuming the rear is centred.

Angles measured 2

Four wheel Laser Alignment

Same as above.... be wise!

Geometry/Primary

Will image the exact rear centre line to permit a centred steering wheel.. additionally the front and rear camber positions will be measured. This is the most common form of Geometry and i consider this as 'basic'

Angles measured 8

Full Geometry/primary and Secondary

Is absolute but harder to understand. Few places even with the equipment measure the Secondary angles, these include...

Castor

KPI/SJI/SAI

Scrub radius

included angle

TOOT/Ackerman

Delta curve

and so on

Most areas that involve rapid tyre wear or handling issues need to be read from the 'Secondary' data, even more important if the car has been modified or for diagnostics after an accident.

Angles measured 15+

Not easy reading indeed, millions of pounds change hands every day for 'Alignment', a need to be wise could save you £ssss

One more thing to make the 'blood boil'.. The Primary and secondary Geometry has a customer destination?

1: Primary is the 'dumb' customer version

2: Secondary is with held unless requested and named the 'Technicians version.

...............................

An average "Tracking" is £30inc.... "four wheel alignment" £60inc... Full Geometry £80-£120inc The corrective settings displayed here in LOC's Knowledge bank £free.

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