is front and rear toe angle supposed to be 0? (or as close to that as possible?). I know for a fact that -1 degree of toe-in in the back adds a lot of straight line stability. especially when you accelerate hard from a stop.

 

see link -->toe, caster and camber

 

Toe can also be measured in degrees. I race R/C models and we measure camber, caster toe, ackerman, etc. all in degrees. Anyhow, camber is not the only suspension adjustment that can be used to increase (or possibly decrease) stability. We use 1 degree of toe-in in the rear to increase straight line stability. Sometimes as much as 2 or 3 degrees are used depending on track surface, tires, type of model, etc.