How to do this.

[NickE]

How should I do this. I am gonna drill two 1/4" holes in my feed port. I'm all set up with a drill press and everything. Do i drill two holes vertically, horizontally or do i drill one on either side?

[Shadow221]

Right...you make a lot of sense...:eyes:

[taso_winforce]

I don't think it really matters. i'd probably do 1 on each side and make them horizontal.

[ZeroSkillet]

May I ask y are u doin such a thing??

[taso_winforce]

it lets a little blowback vent

[Army]

You have a blowback gun, no matter how many holes you put in the feed tube, you will get air blasts up the tube. Just go out and play.

[taso_winforce]

Originally posted by Army
You have a blowback gun, no matter how many holes you put in the feed tube, you will get air blasts up the tube. Just go out and play. it will reduce it a little.

[Jaster]

I would say if you're making a vent I would do 3 holes in triangle pattern. This would allow for more venting an the possibility of one of the balls covering a hole is reduced. This way you'll always have at least two vents. Also I would use smaller holes. 1/8 (ideal IMO) or even 3/16. It's only a small amount of air you're dealing with. A 1/4" is a pretty big hole and would be overkill (IMO).
To answer you original question, one hole at a time.

[slikna99]

why dont u just cut off the feed port???:eyes:


;) (Im just kiddin)

[NickE]

You see the thing is that I have this J.T 5.0. Its a great gun but the blowback is bad and i've had to strip my gun a couple of times to get the paint out. I'v heard about guys drilling holes in their feed ports and they all say it works. After I do this i'm gonna get a 12 Volt Revvy and that should fix my ball breakages almost completely. Thanks to all you guys(who helped). To Jaster: must the triangle be upside down or normal?

[Darrell]

Originally posted by taso_winforce
it will reduce it a little.


let's put it this way

when u pull the trigger....

right now:

- 60% of gas pushes the ball out of the barrel
- 20% recocking
- 20% goes up the feed tube but seal by the balls in the feed tube and +10% go back to the barrel.

u get 70% of the blow pushing the ball

after adding holes:

the gas goes out from the closes "window" - the holes u just drilled

30% of air leaked right the way
20% to recock
50% doing the shooting

u get 50% of the blow pushing the ball

[Lurker27]

You're wrong. It either gets pushed back to the barrel by the first ball as low enrgy gas, or will work up the feed neck, doing work (F*D) on the balls until it is at STP or can be vented.

Venting earlier decreases work on the balls in the stack, and therefore the jump.


I reccomend on hole on each side, drilled all the way through, so you don't have to worry about it looking goofy.

[Jaster]

It shouldn't matter. Either way will have the same effect. Good luck! :D

[Mutated Goose]

halo b.

[LAMANTEthePBguy]

if drilling holes is so good then why dont the guns come with it done for u?

[slikna99]

Originally posted by LAMANTEthePBguy
if drilling holes is so good then why dont the guns come with it done for u?

What he said!!!

[Lurker27]

Yea, guns don't come perfect out of the box? What arevelation.

The real question is why would Suprbugman have it on Pride if it didn't help? :p

[NickE]

Hey Guys! I talked to the guys on the J.T forum and they said it helped their guns a lot when they drilled holes in the feed port. Besides making custom mods to your gun is cool.
Anyway I did it and it looks great and performs just as good as it looks. By next week Friday I should have a 12Volt revvy and my gun should be almost perfect. Thanks to all you guys(who helped). Peace out!

[Jaster]

Originally posted by LAMANTEthePBguy
if drilling holes is so good then why dont the guns come with it done for u?

Because it would cost to do it. That's an extra process on the manufacturing floor that they don't want to have to pay for. The problem isn't big enough to justify the extra cost to fix it.

[Lurker27]

I agree, custom mods rule.