How about the largest possible piston with a 5/16" flat milled along the bottom where the slot is so that it doesn't touch the sharp edges?.... not where the O-ring is, of course....
Bob
How about the largest possible piston with a 5/16" flat milled along the bottom where the slot is so that it doesn't touch the sharp edges?.... not where the O-ring is, of course....
Bob
Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since!
Airsonal: Too many to count!