Quote:
Originally Posted by Shorebilly
I just had a similar experience with a 190D that I'm resurrecting for Fuel Mileage.......very squirrelly over 50 MPH......
I used a couple of jackstands.....got a couple of long and...straight 2x4's.....set 2x4 up on jackstand and lay it up against the center of both tires on each side 2x4 should contact both sides of the rear tires, and the rear side of the front tire, with the front sides of the front tires just a very, very little bit of gap (toe in).......this will tell you how your car is tracking and will also tell you how much toe in/ out you have.......
Hillbilly Engineerin' 101
SB
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This assumes that the track is the same front and rear. Not often the case.
I use a lumber pencil to scribe a mark on the center of the tire, after jacking the front end up. Drop the car, then I roll the car back and forth a few times to make sure the suspension is settled.
Then, using a tape measure, check the distance between the lines at the same distance above the ground at the front and rear of the tire.
Simple geometry will reveal the toe in (or toe out) of the front wheels.
All you need is the horizontal distance between the front and rear measurements, and the difference between the two (front and rear) distances.
Jim