Let me ask the question in another way...sometimes I write too quickly.
The self aligning torque established at the contact patch is respnsible for telegraphing grip levels via steering wheel effort. I do not fully understand how (hi values) caster washes this out...perhaps the point projected ahead of the tire is so strong it overrides this aligning torque? And my question above regarding SAI really concentrates on what caster does to SAI and perhaps scrub(if anything) at high steering wheel angles.
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