My guess your shim was distorting the cup in some way and it was no longer sealing properly in the cylinder.... Otherwise, no idea....
Bob
My guess your shim was distorting the cup in some way and it was no longer sealing properly in the cylinder.... Otherwise, no idea....
Bob
Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since!
Airsonal: Too many to count!