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					Originally Posted by piper6909   I have used Husker's string alignment method many times with great success, but never on a 4-wheel alignment nor to align the back wheels.  I guess it should work the same way running the string front to back for a rear alignment. | 
	
 
Piper, when I first bought the 'smart strings kit', I also ordered their 'smart camber' which is a digital reader that attaches into a 'tripod kind of gizmo' that touches the wheel at the 9, 12 and 3 o clock positions.
Afterwards I bought a magnetic reader from longacre racing products that also reads caster, which is pretty nice too.