I really like my Nitro Venom .22 gas piston that I've had for a couple of years. I finally figured out how to shoot it well and consistently. This spring I got a Chrono after many years of airgunning without that knowledge. Anyway..my Venom is shooting avg. 740 muzzle velocity in 70-80 degree weather. Does anyone think I would gain that much by putting on a new seal and lube. It really shoots smooth. I just wonder if the quest for 800+ muzzle velocity would be with it. Thanks