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gsipete
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Join Date:
Dec 2009
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#1
best piston head?
4 December, 2010, 14:45
i need a new piston and piston head for my G&P zombie killer.
just had a look and have seen they have Aluminium Bearing Piston Head or
Polycarbonate Bearing Piston Head .
which one would be the best to use
????
Captain Price: We're going deep and we're going hard
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Montesa77
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#2
4 December, 2010, 14:46
Re: best piston head ???
Element light wieght polycarb.
Originally posted by
Ominous Slayer
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Originally posted by
snuff
Can I borrow yours it's hardly used...
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whiteman
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#3
4 December, 2010, 16:04
Re: best piston head?
Systema policarbon.
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sj_asc
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#4
4 December, 2010, 23:59
Re: best piston head?
Prometheus POM Neo and a bead of Loctite 243 on the thread.
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jagillham
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#5
5 December, 2010, 00:04
Re: best piston head?
What you currently got? The G&P stock one is pretty damn good.
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sj_asc
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#6
5 December, 2010, 00:07
Re: best piston head?
If the seal is poor, it would be a lot cheaper just to replace the o-ring.
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richardy
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#7
5 December, 2010, 05:39
Re: best piston head?
if we are talking best then its prometheus pom piston head.
Its not a bad assumption that if you want the "best" of anything go for prometheus.
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gsipete
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#8
5 December, 2010, 12:16
Re: best piston head?
it was the stock piston and head. the teeth of the piston have worn down and the head has a crack across it. i have picked up a Systema Polycarbonate Piston from the gun shop up the road to me but then i when to get the head i was asked Aluminium or poly
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Montesa77
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#9
5 December, 2010, 12:40
Re: best piston head?
Poly.
Originally posted by
Ominous Slayer
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jagillham
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#10
5 December, 2010, 18:53
Re: best piston head?
Yup!
Never seen the point in a metal piston head. Just seems to be an extra effort to crack the front of the V2 gearbox, lol.
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gsipete
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#11
5 December, 2010, 18:59
Re: best piston head?
cool thanks for your help ive got the poly one
just need to fit it lol
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dope_on_a_rope
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#12
5 December, 2010, 19:23
Re: best piston head?
What would you guys say about a Systema plastic piston head, without bearing? I'm assuming they use an M3 bolt to attach it, meaning it's easy enough to swap for a longer one for the AOE mod, as well as being lightweight and not having an unnecessary bearing. I generally don't use bearing piston heads, if I have a bearing spring guide. Don't see the need for both. Lightness of the piston would be more useful in a high ROF set up. And you really can't remove the bearing from a bearing piston head, while keeping the piston head centralized on the piston. It would happily ride about all over the place.
Also, as a base for an air break, it's going to be easier to put a bolt all the way through from the back, than half screw it in from the front... if you see what I mean. Not that many people put air breaks on their AEGs. Probably not a good idea on a high ROF set up really. Not that I've tried. Although I have considered fitting an air break to my Type 89.
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North West Outpost
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#13
6 December, 2010, 01:27
Re: best piston head?
I think they would be a good idea on V2 DMR's. I havn't tried one yet but they seem pretty simple...erm...famous last words there...lol
I usually use the Element pom piston head even when correcting aoe, I bin the plastic backing and use Action bearing backs...Again bin the bearings. The washers I use seem to locate the center of the top of the piston and they seem ok, using a longer bolt if required. Im going to start epoxying the washers to the top of the piston so they stay central.
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North West Outpost
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#14
6 December, 2010, 01:39
Re: best piston head?
Back on topic..lol...
You can use the aluminium heads if you are running a fairly standard set up. I would avoid ally piston and cylinder head together without something soft inbetween.
You have to remember the little G and P's come with a weight on the back of the piston as standard.
I would use pom, they do say the silent systems while not making any real difference in noise do give better airflow...
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