you say that you were 210 over the crony, you are turning your hpr out(to raise) and not in(to lower), because if you are lowering your air input there will not be enough pressure to seal the bolt.
wind your hpr all the way back in(to the right) and back it out 3-4 full turns, this should allow enough pressure thru to seal your bolt, then crony to desired fps.
wind your hpr all the way back in(to the right) and back it out 3-4 full turns, this should allow enough pressure thru to seal your bolt, then crony to desired fps.