i have a 34pj carb main needle # is R1470n set in the middle. i have tryed the piolet jets 38,40,42,45,55,58 lean to rich and i cant get it to idel with the turn knob adjuster. my main is a 155 witch i know is close and i know that i shouldnt be any lower than a 48 piolet jet. i am just looking...