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, Matt just buy a couple of different sizes and experiment like S12 Drifter said,, It doesnt matter what side you put the shim on, its all doing the same thing, that write up is funny 1.5 , 2 way lol its not a clutch diff ,, its just gets tighter the thicker you go.. by adding more shims you bind the spider gears and eventually get a locked rear end .. as for the measuring, I measured my original shims and went from there cuz I know every diff has different sized shims from the factory or if it has been rebuilt in the past.
bc. wrote; Don't think about shimming as 1 shim is 1.5 way and 2 shims is 2 way!!!! There are like 20 different shim sizes and the smallest one is .80mm and the largest is 1.49, read the fsm for the exact sizes.
DO NOT JUST ADD 2 SHIMS!!! that is not the right way to do it. Take apart your diff and measure what you have and then decide how much you want to increase by.
I just tried to put 2 shims in (both were .80mm) and the diff would not go back together in the pumpkin, so 1.60mm of shimming is too much!!! and that is 2 shims of the smallest size. I ended up just using the one .80mm shim and it barely fit back in the pumpkin, i couldn't imagine going more then .20mm more.
EvoVIII808 wrote;
J30 VLSD
Stock Shim size : 1.27 -1.30 on the micrometer (kept bouncing around, went down to 1.25 once). I picked up the .08 and the 1.01. Tried to put both of them on but the 2 screws didnt seat properly, so i decided to use just 1 shim.
I went with the 1.01, on top of the stock. Its not fully locked, but it does skip the tires when turning at low speeds. Havn't done the break in process yet (installed and drove home 5miles.)
Matt, buy a couple of shims, measure your stock shims and decide on how much shim to add also you might want to measure the slack in your diff b4 you start stacking shims like I wrote;
I think every J30 has its own diff sizes from the factory. What I did cuz I didnt want such an aggressive rear end (canyon/mountains) is measured the slack with the stock shims in place with a feeler gauge. so there was .20mm in slack and I added up the 1.13 shim size and added .10 more for stiffen it up and got 1.43... 1.13+.20+.10=1.43 and conveniently there is a 1.43 shim and went and ordered.
Yes I know I didnt want a locked rear end but you should measure and add .30 to .80 of shim to get the feel you want and take note of how much slack there is
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