Recent content by lodcomm

fly - great news - I have two of the hong seng pistons I will explore doing the same with - can you post the inch diameters of the outer piston & ring lands so I can attempt to do the same with one of mine. I am also going to turn some PTFE replacement Vevor style piston ring/cups with solid...

fly, cosmic - thanks tons for the good information. Fly may be correct, there may not be enough meat is the second stage sleeve to bore it out - I am going to explore simply making a whole new sleeve - I will also try turning down the hong-seng second stage piston and cutting the ring lands...

Thanks most kindly to everyone. Cosmic: I have a couple of the Hong Seng Replacement pistons (both the first and second stages)... What I really need is the inner diameter of the 2nd stage cylinder itself so I can bore it out to the proper diameter to accept the larger Hong seng second...

Hey Folks, I have a Vevor pcp compressor with the completely flimsy (at best) second stage piston with the black plastic "caplike" seal that is prone to failure almost instantaneously. I am planning on boring out my second stage cylinder to allow it to accept and use the yong heng second stage...