Silvercreek Farmer
11-20-2018, 06:02 PM
Never really knew how it worked before I saw this. I have no affiliation with the video.
https://m.youtube.com/watch?v=xZ8bGAyN8o0
https://m.youtube.com/watch?v=xZ8bGAyN8o0
View Full Version : Good video on CUP (Copper crusher method for chamber pressure)