will this item track back wheels or just the drive wheels. Also once correctly tracked is the steering wheel centre horizontal when driving straight.

Yes it will "track" back wheels, I used it on my Toyota Avensis which has adjustable tracking arms(it did take me a couple of minutes to work out the correct way to turn the adjusting nuts, although as thunderc45 has pointed out many cars will not. Remember the trakrite needs to be on a smooth flat surface and drive over it in a straight line. .When 'tracking' the front wheels, assuming the steering wheel is correctly centred but the tracking is out then you will need to adjust the tracking an equal amount on both sides to keep the steering wheel centred. If only one side is adjusted to correct the tracking then the steering wheel will not be correctly centred when the wheels track correctly.

How i set toe assuming that the steering wheel is not centered and left and right wheel are misaligned. Can each wheel be adjusted independently?

Make sure that the steering wheel remains centralised ,adjust the track-rod end of the wheel that you have the gauge on,make sure that you centralise the gauge after each time you move the wheel over the gauge and and any track rod adjustments . When you have achieved the toe setting that you require probably 0 ,use the gauge on the other wheel and carry out same procedure ,then check first wheel again and adjust if necessary .

Hi,would this work on a wheel that is set with a slight negitive camber (0.5 degrees) that would be applying more pressure on the inside of the tyre?

camber will not affect the plate from measuring side slip, you are measuring the sideways drag of the tyre , if you set to parallel then there's no slipmany cars need to have weight added to get the suspension at its static ride height before checking toe. this is often ignored and you set an error in , always check on a reasonably flat floor .

How wide of tyre can this accomodate

The tyres on my car are 205mm wide (shown by the last number on the tyre size on the tyre) It appeared to work fine when I checked the tracking. Having looked at the Trakrite, this might be close to the limit otherwise the pressure on the outer part of the track might stop it giving a reliable reading. When using the Trakrite make sure the tyres are inflated to the correct pressure. Should the tyres be considerably wider, it might be possible to use the Trakrite by placing a sheet of rigid material about 200mm wide and 5 to 10 mm thick to cover the moving bed of the Trakrite, make sure it does not rub on the ends. This should ensure that the tyre does not come into contact with the edge of the Trakrite as the car is driven over it. You'll still have to make sure the car is as level as possible when testing. Hope this is useful.

Manufacturer	Tool Connection (EU)
Brand	GUNSON
Model	G4008
Product Dimensions	2 x 47 x 17.5 cm; 500 g
Item model number	G4008
Manufacturer part number	G4008
Item Weight	500 g

Gunson G4008 Trakrite Wheel Alignment Gauge

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