[Land-speed] TOE IN
Askotto at aol.com
Askotto at aol.com
Sat Jul 7 10:42:20 MDT 2007
In a message dated 7/6/2007 5:02:16 A.M. Mountain Daylight Time,
kturk at ala.net writes:
I've always stated that as a total of 1/8th" toe in... check this thought
out... ( thanks to Dahlgren )
Take a jack stand at each outside corner of the car... tie a string to to
the back... and then set it so the string is laying on the back tire about
mid height... now tie the other end to the front jack stand ( same side
Geez)... and pull the string tight... with it touching the back of the rear
tire start to bring the jack stand closer to the front tire... once it just
touches the front of the back tire it's straight with the tire... Set it
down.... do the same thing on the other side....
normally your front track is slightly less then your rear... so if you take
one front tire and measure it exactly even... the other wheel should
indicate the exact toe in.
How does this technique compensate for tire irregularities and mounting on
the rim? Using the sides of the tires to set toe in sounds very inaccurate and
I have never heard of using this technique, which means nothing.
If the tracks/tire widths aren't the same how can stringing the front and
rear tires work to come up with toe in? What am I missing?
I and many other racers jack up the front tires, spin each tire and scribe a
straight and true line in roughly the middle of each tread. Holding a flat
screw driver on edge while held securely against the spinning tire will work
as a scribe. Set the car back on the wheels, jump up and down on it, roll it
back and forth to get the suspension and steering to "stabilize" and simply
measure the distance between the front and rear of the tire scribe lines. That's
your true toe in regardless of tire/rim irregularities which Dahlgrens
method doesn't address. As usual he has a complicated method to perform a very
easy task and his method isn't accurate to boot.
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