It's like one of the pistons is moving more than the other.
You got a sticky piston, not uncommon, but does explain why you're experiencing all this.
Hmm, they both move though so it's not stuck. Clearance is too tight to note if one is moving more than the other. So much for proven tech... :P
mm, they both move though so it's not stuck.
I said sticky, not stuck.
@hippy started
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You got a sticky piston, not uncommon, but does explain why you're experiencing all this.