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Can't you adjust the caster by rotating the ball joints on later cars? I haven't gotten mine apart yet, but Bently talks about the ball joints being eccentric (like the owners <grin> ) to provide suspension adjustments. If both top and bottom are eccentric, then the whole front suspension geometry (both caster and camber) would be adjustable. I'll find out eventually, 'cause I need to beef up the front end of my car, and want to try to get some negative camber while eliminating some bump steer- wish me luck! Also, the trailing arm arrangement will introduce some caster angle changes (relative to the ROAD, which is all that matters in the end) as the suspension travels thru its arc. Probably not enough to cause the car to wander in wind, tho, which was the problem that sparked this topic! I'm hoping to learn more, and get some actual numbers, as I rebuild my car.. Toby B '65 notch with a '71 pan waiting for it. > wish I knew. All I know about it is the reference in the Haynes > manual (11.7.10 and figure 11.7), which implies that '67 and younger > cars would not need caster shims to readjust after a collision. Was > there a change for '67 that might provide for caster adjustment? > > FWIW, the Scientific Publications manual (p. 130) says "Castor angle > varies slightly with the up and down movement of the torsion arms, but > otherwise it is fixed and no adjustment is provided." > > Steven Ayres, Prescott AZ > '66 343 ------------------------------------------------------------------- List info at http://www.vwtype3.org/list or mailto:help@vwtype3.org