smurfbus - I have found late hitting turbos cause wheel spin as the boost hits as the engine gets to torque peak. When the turbo spools sooner the power surge is more linear and tire spin is less likely. atleast that's what I find to be true. When I had the big exhaust housing on my S262 it would be lazy till the boost hit and then spin the tires. Now that my turbo spools early I don't have the same problem

What housing did you have?

i have a .63 housing