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04-23-2007, 01:13 PM #1
How to Measure Scrub Radius & Ideal Radius?
any suggestions on how to measure scrub radius with basic home alignment tools?
i'm thinking that if i have the front wheels off the car; support the car on blocks under the LCAs, at ride height. i can drop a straight edge or plumb line directly down from the mounting surface in the center, and draw an arc (by turning the wheels) on the ground surface?
of course assume the car is on a level surface, been jounced, etc..
SAI intersection with the ground would be the middle of circle, and scrub radius could be calculated by adjusting the radius of the circle by wheel offset.
what is the best method to determine the appropriate scrub radius when selecting wheel offset? is zero always best for RWD?
04-23-2007, 01:52 PM #2