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Wheel Alignment Tips for Custom Cars : What is Caster in a Car Steering System?
Caster is the relationship of a lower ball joint to an upper ball joint, so adjusting caster has wide-reaching effects as our expert mechanic explains in this free auto-repair video.
Channel: Autos & Vehicles
Uploaded: November 30, 1999 at 12:00 am
Author: expertvillage
Length: 01:33
Rating: 5.00
Views: 2749
Tags: alignment automotive body car classic hot repair restoration restore rod shop tire tires wheel
Video Comments
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Zickcermacity (November 30, 1999 at 12:00 am)
I know that high rates of positive caster can become very negative caster when backing down a long driveway, so in that case I'd rather have more SAI than Caster.Also, why is the effect of unequal SAI(a degree or more different from left to right) felt at LOWER speeds, as a pull, than at high speeds, as is the case with unequal caster or camber?
Zickcermacity (November 30, 1999 at 12:00 am)
Good explanation of caster!Question: Which has more effect on straight-line stability and return from turns - Caster or SAI(Kingpin for you old-schoolers)?Second Question: I know this is dependent on the type of car, but how do engineers know how much Caster and Steering-Axis-Inclination to design into its suspension? Some cars have conservative amounts of SAI and high caster, and others, vice-versa. |
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