i  had the tippmann for about a month and the cyclone stoped working  so i took it to my local shop and he found out the power core or somthing like that i cant remember what is was called but i was totally cracked and instead of pushing the air to the cyclone it was spreading through out the whole body well he changed it for me for only 30 bucks but now the velocity will not go under 315 thats with the remote attacked but if i put the tank directly onto the gun it goes 385 can sumone help me please

which main spring and where could i get one cus i have the valve to set the velocity down to the point i cant turn it anymore