Try
In the front shocks go one spring stiffer, usually works great, then go up 10wt in the oil too. If you go to thicker oil you usually need a stiffer spring or it won't rebound properly, too slow,. Another way that I've found works wonders is to go to the one smaller piston hole size....Then keep the oil the same as before, and try one stiffer spring. I hope this helps, but as a rule
piston first, oil second then choose springs accordingly.......