Originally Posted by Bob Barry

Matt, the biggest thing that I have found is guys are using other brand oils in their shocks and diffs and they don't feel the same. I was one of them. I switched to PT since the rest of the team used it and voila! My car does everything right all of a sudden.

If you don't want to switch fluids, I suggest going thinner than whatever is on the setup. If it says 7-7-5, try 5-5-3. In general PT seems to have a feel of being 2k thinner on diff fluid and 1/2 wt (50 or so cst) on oil.