Geometry is like a much more advanced version of tracking or alignment.
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Not only are all 4 wheels aligned, but you can set toe-in
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(or toe-out), caber
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& castor.
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Most tracking/alignment places will only align your front wheels with the rear
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- it's a cheap service and often does well enough if both rear wheels are set correctly.
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For instance if both rear wheel were pointing to the right
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(you may not see it by eye) and an alignment centre aligns the fronts to the rear the car will be crabbing really badly.
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After replacing bushes or suspension swaps the wheels could be pointing any direction really so that is why you need a full geometry set up.
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Tom will set his equipment up and get all 4 wheel pointing dead ahead and then adjust toe, castor
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& camber to whatever settings you prefer
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(he has a number of settings for the AW11 depending on it's uses).
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The settings I've had put on the car are purely for track use.
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They are not suitable for road use.
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Before agreeing to let him do the work though, make sure track rod ends, tie bars and castor adjustment is free.
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If it's not the process take add a lot of time and could get expensive.
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