Quote Originally Posted by daveS53 View Post
FWIW, it's often suggested to use more caster with a power rack - something in the 3-4 degree range, rather than 1 degree.
Where does your 1 degree value come from? My understanding is that the "normal" range for caster is three to five degrees back, with up to seven being OK to deal with issues of pulling, etc. Heavier vehicles with manual steering generally bias to lower angles, and lighter vehicles, or those with power steering bias to higher angles, up to seven degrees being "acceptable" for the street. I've never seen a value of 1 degree caster that I recall, but I've been wrong before, and I'll be wrong again....