Shimming an R200 or J30 vlsd

[SoSideways]

Originally Posted by racepar1

What shim originally comes in the diff? I am thinking about doing this, but I only want to make a small difference. I figure if I replace the stock shim with one that is one or two sizes thicker it should do just what I want. Since my car is a trackday/autocross car I really don't want the diff to lock in an aggressive manner.

You might have no choice but to open up your diff, then use a mic to see how thick it is, as I think the diffs can come from the factory with a few different thicknesses, which is why you can buy so many different thickness washers to begin with...