Registered
Join Date: Jul 2001
Location: Hamden, CT, USA
Posts: 446
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Here’s how I use the laser to align my car.
I purchased a laser level from harbor freight for $10 and got an aluminum bar that I cut to fit my rims. Then I attach the laser level to the bar and I hold the bar to the rim with a bungee cord. The first step is to make sure the car is level then set the camber front and rear. To do this I use an accurate machinist level and just hold it on the bar in the vertical position. (very easy). Then to set the toe in the rear you need a straight stick or bar of some sort as wide as your car and bar laser setup. On one end you mark a target and with the laser pointing forward from one rear wheel line the target up with the laser (I support the stick on two boxes that are the same height as the center of the wheels). Then attach the laser to the other rear wheel and aim it at the other side of the stick mark the stick at this point. Next move the stick to the rear and repeat the process. With the distance between the two marks you can calculate the total toe using trig functions (the toe of each wheel can be checked by measuring the distance from the front hubs to the laser when you have the laser pointing forward. The front is done the same as the rear and you only have to worry about total toe.
Tim
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