Originally posted by Big Jim:

Within reason, positive caster is very desirable. It give the car more stability in that the steering wheel tends to center more quickly after turns. It also promotes the car going down the road streight. At some point, too much positive caster will make the steering seem like there is not enough power steering assist. Also, excessive positive caster can induce vibrations under some conditions. The vibration can be so violent that it can break steering and suspension parts. Ford had a recall on F series trucks in the late 80's over this issue and reduced the caster to lessen this tendency. On a Contour, I think it would be hard to get enough positive caster to be harmful. Ideal in my mind would be near +2.00 degrees.





This is totaly true. Steering gears are tuned and built with caster values in mind and can handle only so much. But I believe your right, you will never reach that limit on a tour. This was not meant to be a flame war, but have to correct people about false info. No harm done either way.

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