What's the final gearing for the Viggen? Is it the same as the 9000? More to the point, will an LSD meant for a Viggen work in the 9000? I would think that even if the final drive gear is different in the Viggen, the differential housing/LSD unit would be the same - or is this just wishful thinking? The reason I ask, there is someone selling an Abbott LSD for a Viggen, but I've got a 9000.