Hi, new guy question related to measuring toe. I attempted to do this using a trammel bar but I must be doing something wrong. I loaded the car with driver/fuel weight, bounced the car & rolled it back and forth about 6' three times between measurement (final roll is forward). Measured using tread blocks (using DriverZ cup tires, not slicks) and calipers. I could simply not get reproduce-able measurements. I would be off by as much as .1 -.2" in total toe pretty much every time (rear was a little better).
It was so frustrating that I decided to measure front/rear 3x between each roll (to remove variance due to tread and/or settling of the chassis) and averaging the results. I also measured the tilt of the bar from floor to tires each time to make sure I wasn't measuring at different heights on the tire. This cannot be the best way. I'm no mechanic but this seems like it should be easier - maybe a technique I don't know about?
Good news is the car drove great after I set both front & rear to about .08 - a little more than 1/16" toe in. This is a Citation 90v.
Appreciate your suggestions!