Spray paint the tire while spinning it- paint a stripe along the tread surface all the way around the outer diameter of the tire. Then, you need to draw a line in that paint all the way around. Its common to make a stand with a nail sticking out of it. You want to make the stand so that you can hold it with your foot or similar while spinning the tire so that the nail scrapes a line in the paint evenly all the way around. You can build anything you want, just make sure the nail doesnt move side to side making an uneven line.
Then, just measure the distance from the line on one tire to the line on the other tire. Take the measurement on the front of the tires and from the back of the tires and adjust the track rod so that the measurement is 3/64-3/32" smaller in the front than it is in the rear.
I *think*, from what little searching I just did online, that toe is commonly measured in inches/mm
Interesting method and definitely a method appropriate to the vehicle!
Paul
By the way I re-installed my springs with new spring bushings today. I also put new lock washers and thread locker on my front flange bolts. Now maybe they will stay tight.
1971 109 Safari Wagon (1 ton chassis)
1995 LWB Range Rover Classic
1997 Defender 90 (repaired at last)
2001 P38A Range Rover
Then, just measure the distance from the line on one tire to the line on the other tire. Take the measurement on the front of the tires and from the back of the tires and adjust the track rod so that the measurement is 3/64-3/32" smaller in the front than it is in the rear.
Except that the Green Bible specifies that the toe be measured at the road wheel and not the tire. Your method will result in slightly less toe-in as measured in degrees. Probably not that big of a deal however.
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