850 double pump issues HELP!!

ok so i took the squirters out of the 750 which is 35 prim.squirter 28 sec i tried it wit PV and still fell on its face. so i took Pv off and blocked it ran 79 prim 80 sec jets it seemed to help with the bigger squirters but still fell just not as bad so buy a kit of squirters and play with that or am i just wasting money on the 850??