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Re: Toe Measurement and Conversion

To: autox@autox.team.net
Subject: Re: Toe Measurement and Conversion
From: Pete Holsberg <pjh@mccc.edu>
Date: Sat, 1 Dec 2001 21:14:36 -0500 (EST)
On Sat, 1 Dec 2001, John A. Carriere wrote:

> Other way around the toe in in degrees is 2 times the toe
> .in inches. So 06" is .12 degrees of toe

Well, I did the math using the simple sine formual and I
came out with 0.10 degrees == 0.04". So the rule of thumb
does seem to be about right.

Toe on my car for each wheel, front and rear, is 0.10 +/-
0.10 degrees. The shop printout was:

LF: +0.06"  ==> +0.12 degrees or +0.15 degrees
RF: +0.10"  ==> +0.20 degrees or +0.25 degrees
LR: -0.14"  ==> -0.28 degrees or -0.35
RR: -0.10"  ==> -0.20 degrees or -0.25

The first number is the 2:1 number; the second is based on
my calculation.

Looks like both rears are way out (negative instead of
positive) and the RF is right on the line or a little over.
Only the LF is within spec for both numbers.

Now, my question is, will any of this make a difference in
tire wear?

Thanks,
Pete

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