Among the writings of Dan H. there was; > So at 45 ft. 20psi, you really only have to overcome 2.2 pounds. > That ia what I thought, thanks for the reassurance. > but with cylinders filled with oil, you should use identical cylinders, same piston diameter and same rod diameter, for actuator and slave. I got lucky on this one, I bought matching pairs for each function. Thanks Dan H., Stan in Missouri