Slip Posi S10 rear end. 308 gear ratio. Will likely need rebuilt.
Please read the description in the pictures and understand what you're buying before you inquire.
Full Posi traction means both wheels turn the same direction at the same time continuous.
Limited slip Posi means one wheel turns one direction and the other wheel turns the opposite direction until you apply power and torque and then they turn and lock in together creating Posi traction or what is called slip Posi. Which means both wheels then start to turn the same direction continuously under heavy throttle.
Open differential means one wheel turns only when standing on the throttle.
So in summary, full-posi traction means two black marks continuously all the time.
Limited Slip Posi means one black mark until you stand on it hard and then you get two black marks.
Open differential means you get one black mark all the time no matter what.
I can't be more clear than this and if you still don't understand, sell your tools and please do not bother me.