removing venturi - Paintball Forum - Paintball guns and gear forums

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Old June 29th, 2004, 01:23 AM   #1 (permalink)
 
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removing venturi

Hmm well ive been working on this for a while but its pretty hard to get out. Does it matter if the inside of the bolt gets a little scratched?

Is there an easier way to mevoe this thing?

Im using the instructions on Otter customs but the damn thing wont give. >_<
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Old June 29th, 2004, 01:39 AM   #2 (permalink)
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no it shouldnt matter if the inside of the bolt get's a little scratched... all that goes through there is air, so you should be good...
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Old June 29th, 2004, 02:05 AM   #3 (permalink)
 
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Get a bunsen burner, or even just a lighter. Grip the bolt by the handle with a regular pair of pliers (tightly!) and hold it over the fire, with the base of the venturi over the flames (that should be a little behind the hole). When it is suffiecently heated, begin twisting the venturi off with needle-nose pliers. Make sure you are twisting it out, not in.

If that doesn't work, take an electric drill and a thin grinder, and grind the venturi to dust. That will take hours, and be very boring, so try removing the venturi in all ways possible before trying to grind it away.
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Old June 29th, 2004, 02:56 AM   #4 (permalink)
 
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I have a flame torch and various other tools from metal shop that i bought but it seems the bastard is holding its ground. Im to try drilling it out tommorow. If all else fails what kinda bolt should I buy?

I have a Spyder Victor 2 and alot of the bolts ive seen online dont have the little handel part I need to pull it back.

I just finished polishing the internals too. That was atleast pretty simple.
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Old June 29th, 2004, 03:15 AM   #5 (permalink)
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the venturi bolt that comes stock with my marker you are not able to take the venturi out, because it's basically you have the front peice that is about an inch and a quarter long, and there are sbout 6 holes drilled through this peice of aluminum making the venturi, and then the bolt like cuts off and gets skinnier, and that's where the holes end up, it's real complicated, but i dunno...
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Old June 29th, 2004, 06:40 AM   #6 (permalink)
 
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n oway...i could of sworn ive heard ppl takin the venturi out of stock bolts..
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Old June 29th, 2004, 08:47 AM   #7 (permalink)
 
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I don't have a burner and didn't like the idea of using a lighter.

Instead, I just dropped the whole thing into a pot of water , and boiled it for about 10 min. Was still a little bit of pain to remove, but just a little.
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Old June 29th, 2004, 10:44 AM   #8 (permalink)
 
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Quote:
Originally Posted by [^_^x]
I have a flame torch and various other tools from metal shop that i bought but it seems the bastard is holding its ground. Im to try drilling it out tommorow. If all else fails what kinda bolt should I buy?

I have a Spyder Victor 2 and alot of the bolts ive seen online dont have the little handel part I need to pull it back.

I just finished polishing the internals too. That was atleast pretty simple.

if your gunna get a new bolt, u have to get a shorty bolt, most companys make them, just look around
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Old June 29th, 2004, 10:46 AM   #9 (permalink)
 
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i have personally taken like 5 venturis out. I filed down a pair of needle nose to make them fit.
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Old June 29th, 2004, 11:13 AM   #10 (permalink)
 
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Quote:
Originally Posted by Screwedupmonkey
if your gunna get a new bolt, u have to get a shorty bolt, most companys make them, just look around

Why a shorty over a regular bolt??

Is this specific to his marker? or it is just a general rule as an upgrade?
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Old June 29th, 2004, 02:07 PM   #11 (permalink)
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The shorty bolt is made for mid cocking guns like the Imagine,Victor, and some others.
Get something with no venturi.They claim that a venturi helps with accuracy but it really just restricts air flow.
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Old June 29th, 2004, 02:23 PM   #12 (permalink)
 
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I have needle nose pliers but i cant see anything long and skinny enuff to get to the venturi.. Help Me Please...
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Old June 29th, 2004, 03:10 PM   #13 (permalink)
 
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I used a drill press on an Imagine and Aggressor bolt, it came out well and I just sanded the rest of the end down with a dremel. You might even be able to get it off with a dremel if you got the right size bit and a steady hand.
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Old June 29th, 2004, 05:57 PM   #14 (permalink)
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What i do with really stubborn ones is boil them. Ussually alot of dirt gets in there and acts like a thread lock. Once boiled most of the dirt gets into the water and you can see a small pile of dirt or brown stuff in the water. That means you did good . I ussually boil them for 10 minutes or so. THen once done its good to go.

Another method i use is heating it up alot and with a over mit grab it and smack it against something hard. THen it loosens it up. I have tried using canola oil to. Dont use canola oil.
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Old June 30th, 2004, 05:45 AM   #15 (permalink)
 
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lol canola oil?

I think im gonna get a new bolt tommorow and ill then be a bit more rough on the stock one. for now I just polished my internals. Ill try boiling it tommorow since it is alot safer than torching it. Ive melted tons of metal with that torch ^^"

I need to buy a dremel. Damnthings can do so much.
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Old June 30th, 2004, 08:46 AM   #16 (permalink)
 
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just a newb question why are you removing the venturi in the first place???
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Old June 30th, 2004, 09:00 AM   #17 (permalink)
 
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restricts airflow. I think I dunno im a n00b.
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Old June 30th, 2004, 02:57 PM   #18 (permalink)
 
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The venturi doesn't help at all. When you remove it, when you see your velocity rise ~10 fps, without using any more CO2. Thus, it's all about CO2 effeciency. Same thing with drilling out the VA, bottom line, and polishing the internals.
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Old June 30th, 2004, 03:13 PM   #19 (permalink)
 
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why do the manufacturers keep including a venturi if it doesn't work?? Think about all the money that that one little piece adds to the process.

Just a random thought.

- Gil
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Old June 30th, 2004, 08:13 PM   #20 (permalink)
 
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w00. I finally got mines out. Thanks KingFikiElectra for the boiling tip it worked like a charm.
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Old June 30th, 2004, 09:36 PM   #21 (permalink)
 
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ahem....... remember me??

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Old June 30th, 2004, 10:03 PM   #22 (permalink)
 
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oh.. oops lol thanx too. Boiling worked.
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Old June 30th, 2004, 10:38 PM   #23 (permalink)
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Quote:
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w00. I finally got mines out. Thanks KingFikiElectra for the boiling tip it worked like a charm.

Heh NP .
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Old July 1st, 2004, 03:25 AM   #24 (permalink)
 
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Another question, I would have to use new o-rings if i decided to boil the bolt correct?
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Old July 1st, 2004, 03:37 AM   #25 (permalink)
 
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Mandudai... you have to take out the orings first before you boil the bolt. Anyways you're going to have to replace them once in a while with normal use. Just keep them well oiled after each game day
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