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I didn't say that clearly, sorry. I meant after your post explaining it in this thread I understood. I didn't completely understand in the PM.
I know the basic terms and what they mean as far as alignment. Before leaf removal it turned easily, re-centered itself, and tracked straight on the highway (highway speeds) without holding the wheel. Not quite like a modern one of course, but not bad at all.
OK. More caster than OEM will make it drive even more like a modern vehicle, especially coupled with radial tires. Caster will not accellerate tire wear or anything, so don't be afraid to end up with around 4 degrees.