Good info, thanks. Based on that, this is the calculation for line psi:
(target psi * bag area in square inches) / cylinder area in square inches = line psi
Plugging in your numbers:
(2000 * 6) / 4.37 = 2745 line psi
My cylinder is only 2 sq inches and I use 2x3 pucks (no bag). So I need a...