Mamod loco cylinder upgrade O rings
Posted: Mon Oct 12, 2020 7:56 pm
Hi, I want to upgrade the cylinders on my SL1, I have access to a lathe and think I can follow the information posted by tony bird in order to dismantle and cut the grooves in the pistons can anyone point me in the right direction of what size / type of O Rings to buy is there a particular supplier for these I think I read blackgates in one of the threads any help much appreciated, regards Norm.