I have a banshee and need a bit advise on set up,

I weigh 12 stone with kit on and am running a 325 bos spring

I am running a Fox RC4 air pressue is is 140psi (is that to Hi)

not much hi or low speed compression but 2 or 3 turnes of bottom out

I want the bike to smoth and grippy at begining of stroke more that hard and fast, but not bottom out

please advise