K2 setup help needed

[hardijs]

hey guys!
just drove my K2 for the first time at practice before upcoming race next week, car was easy to drive only problem was with smal edgy ramps.
So asking to you all for advice how to improve cars jumping on small edgy jumping boards.
track is onroad carpet, but for buggies on track are placed jumping boards...so my K2 struggle to handle those, as they are edgy and hit my cars end badly... so when I wish to go on those ramps on a throtle (as xrays and losis do with no problem) then my car is upside down...
My shock setup is 3-hole pistons- white in the front shocks and black at rear, oils front 550sct and rear 450sct.
As there is no parctice time before the race, so advice is needed from what to start to resolve this problem at race day.
I think that pistons change should help...but needed those which has more damping, so will those be 2hole pistons or 4hole??
Or its betterto start with oil change to more heavy ones??