What I found worked was Stu Woods setup, and of course a few other extras ontop. Stu's setting is perfect but I changed the springs due to the low grip at my track. Ok green associated springs all round but the same oil and pistons with a fraction of pack.
I race on a highly polished concrete flooring with almost zero grip with yellow mini pins. I added a roll bar on the rear, also a one way. I also put a 3mm washer on either side underneath the wishbone pivot block at the rear (in front of the rear gear box), and this gave a kick up angle on the front of the rear wishbones. This did make a big difference. Also angle of the shocks need to be the same front and rear.
I also had alloy rear hubs with three slots to raise and lower the hub as this helped on low grip surfaces. I also raised the rear tie rod height, and changed the angle so the tie rods were close to central instead of angled. You will need a longer set of screws for this. Experiment to find the best setting with the little blue alloy washers.
These little changes did change the handling, and made it more solid on low grip surfaces, and a doddle to drive with pretty much zero understeer or oversteer and a lot more easier to dial than the standard kit setting.
Hope this helps.
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