Too late!
I bottomed that 115lb spring like it owed me money!
Stock setup on a xtx should be 75psi fronts, 16 threads showing center shock, 120psi rear for a lighter rider.
Me being 235, i had 80 front, 20threads, 135psi best i could get it
Then i did evol rc2 shocks in front, 70main,80evol...