junglejim Posted February 6, 2014 Report Share Posted February 6, 2014 Yeah, very slight short stroke with the benefit that the rubber causes it to bounce a bit more so you get a faster return. The bit I never really though about is that the valves should be closed on the way back... Hence not being able to argue my point about the gas consumption being better. And it really was a night and day difference... From not being able to empty the complete stack to being able to do 2 stacks.... Anyway, I hope it helps someone. Link to post Share on other sites
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