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I was preparing to swap out the stock track pack toe link brace with Sector111's RTD brace, and was trying to figure out how to get the toe as close to my current setup as possible, on the first try. Here's what I came up with:
After removing the diffuser, lifting the car onto jackstands, and removing the rear wheels, I took out my trusty <a href="http://www.sears.com/shc/s/p_10153_12605_00948292000P?sid=BVReview">Craftsman digital level with built-in laser</a>. It's also magnetic, so I just slapped it onto the side of the brake rotor, turned on the laser, used the bubble level to level it, and looked at where the laser spot landed. The spot landed on the drawer to a cabinet about 7ft away, so I used blue tape to locate the laser spot precisely. Then I loosened up the jam nuts and turned the toe link 1/6 turn (enough to alter the toe 1mm) to see how much the spot moved: about 5mm (equal to the ratio of 7ft to 17").
When I finished installing the RTD brace, I simply turned the link until the laser spot hit the arrow on the blue tape, then locked the jam nuts. If I wanted to adjust the toe, I'd just move the dot 1mm for every 0.2mm of desired change in toe.
Just to be sure, I did a string alignment measurement when I was done... worked perfectly!
EDIT: This should work just as well for the front wheels too (just lock the steering while you make the adjustment)... it takes all the trial and error out of toe adjustment. As long as you know your current settings and how much you'd like to change them, it should be a one-shot deal.
Pics:
1) Laser level magnetically attached to brake rotor
2) Laser spot and alignment arrow
3) Laser spot after turning toe link 1/6 turn
4) RTD brace installed
5) String alignment check
After removing the diffuser, lifting the car onto jackstands, and removing the rear wheels, I took out my trusty <a href="http://www.sears.com/shc/s/p_10153_12605_00948292000P?sid=BVReview">Craftsman digital level with built-in laser</a>. It's also magnetic, so I just slapped it onto the side of the brake rotor, turned on the laser, used the bubble level to level it, and looked at where the laser spot landed. The spot landed on the drawer to a cabinet about 7ft away, so I used blue tape to locate the laser spot precisely. Then I loosened up the jam nuts and turned the toe link 1/6 turn (enough to alter the toe 1mm) to see how much the spot moved: about 5mm (equal to the ratio of 7ft to 17").
When I finished installing the RTD brace, I simply turned the link until the laser spot hit the arrow on the blue tape, then locked the jam nuts. If I wanted to adjust the toe, I'd just move the dot 1mm for every 0.2mm of desired change in toe.
Just to be sure, I did a string alignment measurement when I was done... worked perfectly!
EDIT: This should work just as well for the front wheels too (just lock the steering while you make the adjustment)... it takes all the trial and error out of toe adjustment. As long as you know your current settings and how much you'd like to change them, it should be a one-shot deal.
Pics:
1) Laser level magnetically attached to brake rotor
2) Laser spot and alignment arrow
3) Laser spot after turning toe link 1/6 turn
4) RTD brace installed
5) String alignment check
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