Have you had it on track yet?? you cant really hit the limit of the diff's capabilities on the road unless your nuts!! You can feel a massive difference on track as where a non lsd FRP would understeer and youd feel the front pulling wide, a diffed up car you will just feel the point of the front wanting to go wide but then the diff kicks in and pulls the front end back in tight, all without adjusting the wheel
id say its almost like youve suddenly wound on a half turn of steering lock and its gripped. And it just keeps going usually as well as long as your smooth with the throttle!!
Just be very careful about feathering the throttle when the front pushes wide eventually as the back end will swing round quite quick on an frp if you lift off right on the limit like that!! Left foot braking is a good solution when the front does break free but it takes a lot of practice.
I will win
Not had it on a track but i'm dying to take it to kames which is quite a tight twisty circuit and would suit the puma's new box.
I think that would be the best/safest place to start practicing the diff aswell.