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  #1  
Old 11-20-2006, 10:06 AM
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Halucin8 Halucin8 is offline
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Join Date: May 2006
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Default oring on a pilot acs bolt

Some of you remember when i machined 2 oring grooves in my acs bolt and i was getting alot of double feeds. Well it never crossed my mind to try only one oring. So i did this sunday ran a case a paint through the gun and no chopping no double feeds. Still had a little popcorn action goin on in my clear eggy but was noticably less than without the oring. Not that it matters much i have a new bolt but thought i would let yall know.
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  #2  
Old 11-20-2006, 03:55 PM
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JMotioN JMotioN is offline
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Default Re: oring on a pilot acs bolt

whats the advantage to the o-ring and dont u think if you needed one spyder would have put one in?
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  #3  
Old 11-20-2006, 04:08 PM
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Sandman_Bravo Sandman_Bravo is offline
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Default Re: oring on a pilot acs bolt

I believe he was implimenting a LP set up and trying to compensate for blow-by to achieve greater efficiency and tighter tuning.
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  #4  
Old 11-20-2006, 09:16 PM
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Halucin8 Halucin8 is offline
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Default Re: oring on a pilot acs bolt

Sandman is right. I am piece by piece going lp and the acs bolt doesn't do it well. need better sealing on the chamber for lower operating pressures. I was trying to avoid a new bolt. If the orings didnt' work i hadn't lost anything because i needed a new bolt for lp anyways.
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Dragun T-1-clamping feedneck,Torp hpr,Micro-Rock LPR.
Pilot ACS-Low-Blow bolt,cocker feedneck,T-1 Hpr, turbo valve,polished
DragunFly-T-1 LPR,T-1 HPR
Dragunfire-TES Hpr,Polished
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  #5  
Old 11-22-2006, 01:24 AM
bungeye bungeye is offline
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Default Re: oring on a pilot acs bolt

i put orings on my delrin acs and it lowered the pressure by amout 15psi, and still running 280 fps +/- 1. i used a lathe and dremel w/ cutting disc, (hack saw works too) cutting through delrin is fairly hard.
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