Quote:
Originally Posted by Kos-Mos
The way the piston head works, it needs a very loose fit to expand with air pressure, and let the air enter the cylinder at return/pull cycle.
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Couldn't the air be supplied via the nozzle during the return/pull cycle?
A little off topic - As I understand it the holes on a ported piston is what causes the o-ring to "expand" against the cylinder during compression, but I have noticed I get grease in the holes which impacts this. Am I over-greasing?