By ovy1255 , 17 September 2017 1st J Mc kenna and sons --1211.2 ypm 2nd Clark Bros - 1208.6 ypm 3rd Clark Bros - 1186.8 ypm 4th Clark Bros - 1186.7 ypm 5th Clark Bros - 1161.1 ypm 6th Clark Bros - 1147.9 ypm
