So after 6 packs the white front springs on the rear shocks are a keeper for me. I may try 25wt oil but the 22.5 worked well. My track is a smaller outdoor track setup for 1/10 sct. No big jumps but good technical turns and bumps. Surface is hard pack and high grip with some ruts. My setup is below. Hopefully some food for thought.

Motor tenshock sc411 4600kv
MMP
Nano tech 6000mah 65c stick center mounted in chassis
3.5oz lead on centerline in front of battery
-1 camber front rear
0 toe
1.8 front sway. 2.5 rear sway
22mm ride hight
weight bias front 48% rear 52%
Yellow front springs white front springs on rear
center diff
RC Shox 2 stage pistons. 27.5 front oil. 22.5 rear
Gearing 14/60
Rear shocks mounted on inside of arms. Fronts outside. Both middle on towers
Chassis brace
1.5 mm spacer under front inside camber link. 0 rear
think that's about it