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Old 04-15-2016, 01:03 PM #1
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Tuning a pm6 for a lp tank

How would I go about getting the most shots out of 68 45 Low pressure tank without fully opening the in-line that would cause damage.
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Old 04-15-2016, 01:37 PM #2
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The same way you'd do it for an HP tank. The inline HPR governs operating pressure within the gun, as long as it's working fine and the incoming pressure is within workable range (~250psi to the upper tolerance of the HPR assembly before it dies), the exact pressure delivered by the tank is irrelevant.

Any type of paintball marker is a precision machine, some are just more sensative than other, Matrix are one of these sensative markers. 1/5 turn too far and the marker will act up completely. So this thread is to give a rough estimate on to how to turn your marker to its best.

The F.U.S.E Bolt System is a large valve, nothing more, nothing less. If the pressures that move it, or that are coming in to it are not balanced or correct, the valve does not perform how it was designed to. With proper tuning, the bolt and marker overall will perform how it should.

Fast and Efficient.

All DYE Matrix markers have a baseline that they are more than likely going to shoot at, so this is the first place to start.
*Make sure that your HPR, LPR, and Bolt are freshly lube, and all orings are inspected*
Turn your marker all the way stock.
With the stock settings set, adjust your velocity to where you want it to be.
Now turn your LPR down until the bolt starts to creep forward when you shoot.
Raise the LPR until the boll has no lag when being fired, then you have a choice of screwing it in by 1/6 a turn or out 1/6 of a turn.
Now lower your dwell from anywhere from 10-14.
If your marker will fire, go to the chrono and adjust if not, raise it by one until it fires without a change in velocity.
After this, you can either, keep it the same dwell and get your desired velocity, or lower it by 1-3 ms.
Adjust velocity.
Smooth and Quiet. (Ironman Tuning)
Pro markers always shoot the smoothest and quietest they can, here is the basic way how.
*Make sure that your HPR, LPR, and Bolt are freshly lube, and all o-rings are inspected*
*This setting is the hardest to balance out, so try a few times before you settle for one setting and see how your marker likes it*

Turn your marker all the way stock
With the stock settings set, adjust your velocity to where you want it to be.
Now turn your LPR down just a tad from stock.
Now raise your dwell to anywhere from 19-25 ms.
At this time you will need a chrono again, shoot a few shots and look for any drop off, if drop off raise your LPR a bit, if not lower it until you see it, and then back out 1/6 a turn.
With these settings you will want to cycle through the Dwells to see which works the best for your marker.
Adjust your velocity to where you want, if it has deviated at anytime.
*These settings will all be different if any mods to the bolt have been done, or if you have any upgrades to the bolt assembly itself*

Last edited by mueller : 04-15-2016 at 05:17 PM.
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