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Old 10-07-2010, 11:50 PM #1
juit
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Post BLAST HOLE MOD by Juit & Cheechhydros

Ok guy we filnaly got the courage to make it

the objective to do this is:

When the factory drills a hole in the body for the ram sleeve set screw, the hole goes all the way through the bottom tube and into the top tube. Bob Long they drill two holes at once. The second hole between the top tube and bottom tube lines up with the large hole on the valve section of the ram sleeve. When the valve is open, this hole allows air to pass from the bottom tube into the top tube and through the bolt to propel a paintball.

this Mod is to drill out both holes in order to make the second hole in between the tubes larger. This allows air to flow more quickly through the valve, up into the top tube, and through the bolt.

By doing this it removes a key airflow bottleneck that exists in the older intimidators. Newer markers already have a larger hole.

first we did it on a dragon body from cheechhydros,the dragon has chronoed to 290 FPS

we took it apart and drill the hole with a 5/16 file in a bench press

we used this drill bit because its the exact diameter of the ram sleeve valve hole and theres no point doing it bigger like on the empire body,

after all this was done we took the same dragon with the same parts, same pressures and shot it back we were amazed it made a 20 FPS difference!

so if some one do it please input your data we are going to start on my species markers and the other dragons that cheech has

today we did 2 species and 1 dragon

TESTS:
I put back together the black to gold species and had a 13 FPS jump

I use reballs with a calibrated barrel to my mcdev 685 shooting premium pballs
this is the only way I have found to test a marker getting rid of paint shape variations
I use a 12 inch lapco bigshot S/S with a lapco 685 sizer with sterling reballs

evil punch ram with MOD
polished AKA HPR and LPR lub'd dow 33
AKA Volly
2k5 front block
HI FLOW LP barbs and hose
infamous board
2k2 shockteck with oring cupped face MOD
polishd poppit
polishd ram sleeve
open blast hole mod


pressure sets 130HPR 75LPR dwell 8 LP poppit 297 +-2 70 shots stock spring
pressure sets 170HPR 70LPR dwell 7 HP poppit 296 +-3 70 shots stock spring
pressure sets 150HPR 70LPR dwell 7 HP poppit 296 +-3 70 shots lurker eigenram spring

the first option the species feals better than a spool
2nd feals with minimal kick compared to the other one but has better effcy pressures, the mechanical dwel is the same as a LP valve on a Vice


the green dragon had a 17 FPS jump

Im going to upload in 2 or 3 days the black to red species because I sent the board to weld a new microswitch

Thanks for taking the time to read & chechhydros for the dragon

the top one is the species with stock hole
middle is the dragon with the blast hole mod
the last one is the empire body with the bigger stock hole


left the stock screw
right the empire set screw


Vice ram sleeve



stock drill bit




Blast mod drill


Last edited by juit : 10-10-2010 at 09:52 PM.
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Old 10-08-2010, 11:55 AM #2
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I've never even noticed that hole before. What is it for anyways?
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Old 10-08-2010, 11:59 AM #3
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To allow air to go into the bolt from the ram sleeve.
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Old 10-08-2010, 11:59 AM #4
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Quote:
Originally Posted by evil snowman View Post
I've never even noticed that hole before. What is it for anyways?
by oldironmudder in IOG:
The hole in the body between the ram sleeve & bolt is drilled out larger.


its for better airflow, no bottle neck airflow effect

the vice, protege, infamous, empire has them now this dragon too

in the dragon it went 20 FPS extra, we still dont know what are the FPS gain in the other 2k2 bodys

Last edited by juit : 10-08-2010 at 12:04 PM.
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Old 10-10-2010, 04:29 PM #5
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nice results!! can you do it on my texas storm?
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Old 10-10-2010, 08:50 PM #6
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Just don't know if I could bare to scar up my Species body.
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Old 10-10-2010, 09:01 PM #7
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i have NO idea what u even did or what u put into the gun....

or just by drilling the set screw for the Ram sleeve made it jump 13-20 fps?
kuz i can do that myself and i have the bigger 5/16 set screw ready 4 it
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Old 10-10-2010, 09:39 PM #8
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He's not just drilling out the hole for the ram sleeve set screw. When the factory drills a hole in the body for the ram sleeve set screw, the hole goes all the way through the bottom tube and into the top tube. They are actually drilling two holes at once. The second hole between the top tube and bottom tube lines up with the large hole on the valve section of the ram sleeve. When the valve is open, this hole allows air to pass from the bottom tube into the top tube and through the bolt to propel a paintball.

He is drilling out both holes in order to make the second hole in between the tubes larger. This allows air to flow more quickly through the valve, up into the top tube, and through the bolt.

By doing this he is removing a key airflow bottleneck that exists in the older intimidators. Newer markers already have a larger hole.
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Old 10-10-2010, 09:42 PM #9
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Quote:
Originally Posted by tjs0349 View Post
He's not just drilling out the hole for the ram sleeve set screw. When the factory drills a hole in the body for the ram sleeve set screw, the hole goes all the way through the bottom tube and into the top tube. They are actually drilling two holes at once. The second hole between the top tube and bottom tube lines up with the large hole on the valve section of the ram sleeve. When the valve is open, this hole allows air to pass from the bottom tube into the top tube and through the bolt to propel a paintball.

He is drilling out both holes in order to make the second hole in between the tubes larger. This allows air to flow more quickly through the valve, up into the top tube, and through the bolt.

By doing this he is removing a key airflow bottleneck that exists in the older intimidators. Newer markers already have a larger hole.
adding your commet to thread
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Old 10-11-2010, 02:37 AM #10
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If BLAST offered this, people would be all over it, given the nice milling patterns on the older bodies.
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Old 10-11-2010, 06:16 PM #11
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Old 10-11-2010, 11:08 PM #12
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Quote:
Originally Posted by tjs0349 View Post
He's not just drilling out the hole for the ram sleeve set screw. When the factory drills a hole in the body for the ram sleeve set screw, the hole goes all the way through the bottom tube and into the top tube. They are actually drilling two holes at once. The second hole between the top tube and bottom tube lines up with the large hole on the valve section of the ram sleeve. When the valve is open, this hole allows air to pass from the bottom tube into the top tube and through the bolt to propel a paintball.

He is drilling out both holes in order to make the second hole in between the tubes larger. This allows air to flow more quickly through the valve, up into the top tube, and through the bolt.

By doing this he is removing a key airflow bottleneck that exists in the older intimidators. Newer markers already have a larger hole.
OHH!!!! i understand now!
thanx for clearing that up im going to do that 2 mine now c how well it works (ill test it on my alias first)
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Old 10-12-2010, 01:37 AM #13
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I'm gonna be on this mod like a fat kid on cake.

It's really simple to do yourself if you have basic knowledge of how to operate a drill press and a thread tap.
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Old 10-12-2010, 03:41 AM #14
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Quote:
Originally Posted by Achilles_21 View Post
OHH!!!! i understand now!
thanx for clearing that up im going to do that 2 mine now c how well it works (ill test it on my alias first)
No problem. I've actually done this before on a Spimmy I built and it's really easy. Be aware that you also have to tap new threads in the hole for the set screw and you DON'T need to modify the ram sleeve in any way. The ram sleeve already has a larger hole, at least every one I've ever run into does.

This thread has actually inspired me to do this on an autococker body. I think it will fix a problem with not being able to get high enough FPS with an MQ 2 valve. Thanks Juit and Cheechydros of reminding me of this mod. Hopefully it will do the job.
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Old 10-12-2010, 07:32 AM #15
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Old 10-12-2010, 02:23 PM #16
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Quote:
Originally Posted by tjs0349 View Post
No problem. I've actually done this before on a Spimmy I built and it's really easy. Be aware that you also have to tap new threads in the hole for the set screw and you DON'T need to modify the ram sleeve in any way. The ram sleeve already has a larger hole, at least every one I've ever run into does.

This thread has actually inspired me to do this on an autococker body. I think it will fix a problem with not being able to get high enough FPS with an MQ 2 valve. Thanks Juit and Cheechydros of reminding me of this mod. Hopefully it will do the job.
yeah i have plenty of knowledge with that my species body has under gone a FEW of those LoL sad 2 say (ill b doing this soon tho!)
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Old 10-12-2010, 03:25 PM #17
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Old 10-12-2010, 04:24 PM #18
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MQ2 rules!!!!!

Last edited by juit : 10-12-2010 at 08:05 PM.
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Old 10-12-2010, 06:34 PM #19
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MQ2 rule!!!!!
Whats the mq2 rule?
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Old 10-12-2010, 06:37 PM #20
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Whats the mq2 rule?
full electronic poppet for the autococker, doesn't need ram to operate so its kickless
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Old 10-12-2010, 06:51 PM #21
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MQ2 rule!!!!!
MQ2 in a timmy?

Now that with a orange bolt would be amazing.
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