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    FX Valve return, line 4 or 6

    HAHA as far as that goes this has been a one sided abusive relationship. Finally getting some therapy:ROFLMAO:
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    FX Valve return, line 4 or 6

    Now that I have burned a few hundred dollars in ammo, might actually get some results! However I am completely okay with redoing my tune now that some of this stuff is making more sense. I would have never have guessed that that little rubber ball would cause that much difference
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    FX Valve return, line 4 or 6

    Ya'll were correct again! Removed the little rubber ball from the valve spring as suggested in an earlier post and gained a significant amount of FPS, I also got some calipers today, my c3 as mentioned above is at 5.78mm I figured that was good. I am unable to do any accuracy testing today as...
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    FX Valve return, line 4 or 6

    Ahhhh okay that is making a little more sense, so on tomorrows list of things I need to buy,, a set of calipers.... So if c3 isn't tight, how is it supposed to stay where it is put?
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    FX Valve return, line 4 or 6

    Well, that will be an easy fix for tomorrow, at least as far as removing the extra little ball. I guess I am not sure what the c3 is?
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    FX Valve return, line 4 or 6

    I'm not sure what c3 is. If its the piece at the end of the valve rod, yes I am certain that it is tight. You also mentioned rubber balls,, the stock valve return I had didn't have any rubber balls. the new spring that I have in there at the moment came with 1 and it looked to be fine when I had...
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    FX Valve return, line 4 or 6

    Reg ended up sitting just shy of 150bar, micro is almost maxed out and macro is on line 14/16, I couldn't gain any more velocity past these settings without moving the valve return.
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    FX Valve return, line 4 or 6

    Thank you all for the information, I got out and shooting this evening with what little daylight that I had. Per the above posts, I swapped out the tungsten hammer for the stock fx hammer. Slowly started working on setting reg and hammer settings till I maxed those to the point I was not...
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    FX Valve return, line 4 or 6

    I have a tungsten hammer here and ready to go, also have pin probe installed as well
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    FX Valve return, line 4 or 6

    700mm barrel shooting .30cal
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    FX Valve return, line 4 or 6

    What would you recommend for reg pressuer as a starting point? Watching Matt Dubber on YT, he's pushing like 170 bar on that reg. I have no idea so open for suggestions on that one as well
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    FX Valve return, line 4 or 6

    Gotcha, making some sense. Trying to get this darn gun to shoot accurately has humbled me infinitely more than what I thought was possible. To answer your most recent reply, using the heavy 'slug' liner from FX To kind of summarize, 1. Valve on 6 2. Adjust reg/hammer in tandem till 1k fps...
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    FX Valve return, line 4 or 6

    So based off that information, do you think having the valve all the way open (6) maybe that is part of the inaccuracy because the valve is open to long and causing turbulence?
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    FX Valve return, line 4 or 6

    Hello, As you may have seen from my previous posts I am STRUGGLING to get ANY kind of decent accuracy with slugs. I keep seeing posts, and videos everyone talking about "line 4" on their return valve, the return valve on my gun has 6 lines, which I read in the manual models do come with either...
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    FX Superior Heavy Liner .30 cal

    If I went the route of getting the assorted box, what would you recommend to start speed wise? Should I try to tune the gun "hot" so the heavier pellets are fast and the lights are screaming. I know that is a loaded question because of the nature of tuning. I am just getting frustrated, and...
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    FX Superior Heavy Liner .30 cal

    Hello, As by the header, shooting. 30cal with heavy liner. I am at a loss for what is going to make this thing even kind of behave. I've tried speed ranges from 900-960 with SEVERAL different kind of slugs, even tried the hybrids just to see. No luck there. The best I've been able to manage is...
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    FX Tuning Fx Impact .30

    That is awesome how you meticulously were able to work though that to find out exactly what it is that your gun liked! I unfortunately don't have access to any extra air whenever I am at the range. What made you want to go through that process over some of the other methods that you see online...
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    FX Tuning Fx Impact .30

    I was advised by a shop to use the tungsten hammer because I was hoping to shoot slugs. I have taken that out for now and put back the original hammer, will try for accuracy again in the morning with pellets.
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    FX Tuning Fx Impact .30

    Thank you ALL for the information! I went out to the range today and shot all of the air I had with me. Needless to say, it was a disaster. I have seen better shot patterns out of birdshot at 50 yards. With some of the advice that yall have given me especially with the tungsten hammer. I put...
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    FX Tuning Fx Impact .30

    Hello, I have recently acquired an FX Impact M4 in .30 cal. 700mm barrel, tungsten hammer, slug probe. I truthfully am very lost in trying to get this thing tuned, I thought I had it close a couple of times but then get to the range and end up running out of air before I can get to anything...