Pinkrinse: Thanks for the info mate!
I'm still ummmming and ahhhhring about it
Because I just went out for a bash up to a property in the wet up to 70mph on a long road and I can handle my well now, so I'm just worried about having some trouble with the diff? That's all...
I'll have to think about it over xmas and get back to that chap on fstoc!

Drifter: Oh great mate! Yeahhhh they will not give out too much information on SC kits I'll tell ya ...they don't want to lose a penny by someone finding a cheaper way!

Thanks for the chat guys! Leave more info in this post about SC, Diff and Engine Light matters and I'll happily reply!