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Old 07-24-2012, 09:56 AM   #1 (permalink)
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low fps on LB Piranha

last time I played my LB piranha barely got 220-240fps. It's clean, the rings are all good, and its all stock except for the cooper t asa. Yes I know about the adjustment screw in the asa and its wide open.

Do I need to change the main spring or would stretching it work?
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Old 07-24-2012, 10:07 AM   #2 (permalink)
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When you say its wide open does that mean all the way out or in? Typically screwing it in would increase your velocity.
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Old 07-24-2012, 10:13 AM   #3 (permalink)
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a new mainspring or shims should work.
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Old 07-24-2012, 10:17 AM   #4 (permalink)
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the screw is in all the way, ill try some shims.
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Old 07-24-2012, 09:02 PM   #5 (permalink)
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Hpa?
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Yeah that's the plan. I want to play with it this summer and see if I can develop a relationship with her. Good luck with your sale man.
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Old 07-24-2012, 09:53 PM   #6 (permalink)
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Paintball to barrel ID fit affects velocity also.
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Old 07-25-2012, 11:46 PM   #7 (permalink)
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Does it have the velocity-adjustable bolt?
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Old 07-27-2012, 09:44 PM   #8 (permalink)
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Does it have the velocity-adjustable bolt?
no it looks like a stock bolt
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Last edited by Kayleekat; 07-27-2012 at 09:56 PM.
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Old 07-27-2012, 11:03 PM   #9 (permalink)
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If you used hpa there your probs, if you use co2 shims it but normally you shoud get a higher fps on co2.
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