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How To Boost A Fep Quest With Some Cheap Mods By Juit


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#1 juit

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Posted 25 November 2010 - 10:52 AM

Ok Im a timmy poppet guy but I love how quest shoot for a spool

so here are some of the Mods I made for my quest

1st I drilled the HPR reg bottom cap with the smallest metal drill bit I could found on home depot
screw the cap all the way
mark with a sharpie
unscrew it
always drill in the spring section
IMG_1113.jpg

2nd I drilled the LPR with the same above
IMG_1114.jpg

3rth I used a plastic cap you can use a standard pen cap, I used a dental syringe cap and didnt have to cut anything
meassure it and check if it dosent goes further than the bolt tip
drill a hole on the tip and fill it with JB WELD
then I Buff the tip of the bolt guide and use JB WELD to join them together
IMG_1117.jpg
IMG_1118.jpg

4rth I cut some air hose and then I start adding inserts untill my FPS start to drop
IMG_1116.jpg

or

you can get this at walmart for 5 bucks
IMG_1121.jpg
I cleaned with acetone the bolt pin
leave the o rings
mix a small amount of paste and do the cones near the orings
after it cured for 3 minutes "semi firm" take out the orings and clean the groove
mix a small some more and add in the middle
let it stay for 15 minutes
lube o rings and chorno
if U add too much just sand from the middle
if it chrono HI you can clean with acetone the middle and add some more
this is the final result after sanding till got the correct FPS
IMG_1123.jpg


what do I get from this?

well the holes boost the recharge rate and the stock reg can go head to head with a AKA or a 360 reg

The LPR gauge pin will only move 15 PSI of recharge

the hose mod is better than the tape mode because it never peel off

the no rollback tip will give you a 10 FPS boost & the paintball wont rollback to the bolt hole



OK I did the LPR hole like someone ask me if it was doable

IMG_3500_zps4fe785f4.jpg

IMG_3499_zps1c08b431.jpg


IMG_3502_zps51f18d80.jpg




I hope this helps and one day goes a sticky


Edited by juit, 31 August 2013 - 03:25 AM.

I love this sport!

#2 OOG671

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Posted 25 November 2010 - 07:18 PM

wow very interesting definitely going to post this in the FEP Thread owners section and also get some inputs from some people on this.

I recommend doing a shooting video with these mods.

Is the efficiency the same as the bolt pin mod/tape mod?
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#3 juit

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Posted 25 November 2010 - 07:29 PM

wow very interesting definitely going to post this in the FEP Thread owners section and also get some inputs from some people on this.

I recommend doing a shooting video with these mods.

Is the efficiency the same as the bolt pin mod/tape mod?



FPS are tighter
you can go lower LPR cause its recharging faster
Im got a extra pod than than hose mod prolly same shots like the 4b new bolt , I think because you fine tune it with the sand paper

the draw back is that I cant use a GM bolt because I tune it to a stock bolt

so if U tune it to a GM bolt prolly you will need to add
if tuned to a stock bolt and want to use a GM you will need to sand till you get the FPS

Edited by juit, 25 November 2010 - 07:30 PM.

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#4 xsvjunkie

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Posted 26 November 2010 - 03:04 PM

Wow, nice mods, and can you explain exactly why drilling the lpr cap near the spring helps because i have had some recharge problems and am interested in trying this little fix you have/

#5 juit

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Posted 26 November 2010 - 03:13 PM

Wow, nice mods, and can you explain exactly why drilling the lpr cap near the spring helps because i have had some recharge problems and am interested in trying this little fix you have/



inside of the spring chamber the piston will remain in a vacum enviroment so it will not close-open fast the shrader valve

open a purge port will set free the piston alowing it to move faster inside the reg
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#6 xsvjunkie

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Posted 26 November 2010 - 03:54 PM

thanks of the info, got my work cut out for me. keep on coming up with stuff like this, i love true ingenuity.

#7 juit

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Posted 26 November 2010 - 04:03 PM

I dont know what else to mod this marker It shoot (.)(.) without any mods

this just gives the a edge to go head 2 head with any 1000 bucks spoolie out there

all recent regs have this purge hole so its just like a V1.1 upgrade

IMO it would be nice to do make a volume chamber in the HPR bolt area like the one that 4b pin has

the only way to do this is to drill from the back cap 6 holes and seal them with set screws

Edited by juit, 26 November 2010 - 04:05 PM.

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#8 xsvjunkie

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Posted 27 November 2010 - 05:35 PM

Wow the lpr cap mod helps a lot with the racharge rate of the reg. you wont even see the needle on the gauge move when you shoot it and i have no drop off in really cold weather running a fairly short dwell time

#9 juit

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Posted 27 November 2010 - 05:57 PM

Wow the lpr cap mod helps a lot with the racharge rate of the reg. you wont even see the needle on the gauge move when you shoot it and i have no drop off in really cold weather running a fairly short dwell time



told ya

now try the HPR one and youll see no drop off
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#10 xsvjunkie

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Posted 27 November 2010 - 06:03 PM

Got a cp v2 reg on it so no need to do the hpr.

#11 juit

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Posted 27 November 2010 - 06:10 PM

Got a cp v2 reg on it so no need to do the hpr.



the stock is way better

has better recharge rates

or the sidewinder has a built in volumizer

Edited by juit, 27 November 2010 - 06:12 PM.

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#12 xsvjunkie

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Posted 27 November 2010 - 06:11 PM

well mine came with the v2 so cant do anything about that

#13 juit

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Posted 27 November 2010 - 07:54 PM

well mine came with the v2 so cant do anything about that



I moded a torpedo & was surprised with results, but the stock one I was amazed
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#14 xsvjunkie

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Posted 28 November 2010 - 11:05 AM

just wondering, but how exactly do you test the recharge rates for these regs?

#15 juit

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Posted 28 November 2010 - 11:49 AM

Inline tester with 2 inch face archoft gauge 0-600
and a 0-100 gauge for the LPR
those are in my youtube videos

http://www.youtube.c...ER?feature=mhsn

if some one have spare pins and bolts I need them to make a internal pin volumizer mod

Edited by juit, 28 November 2010 - 11:50 AM.

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#16 xsvjunkie

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Posted 28 November 2010 - 05:52 PM

oog671 has some for sale

#17 juit

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Posted 28 November 2010 - 09:57 PM

oog671 has some for sale



do u have a link?
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#18 xsvjunkie

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Posted 28 November 2010 - 11:07 PM

http://www.techpb.co...howtopic=120414

There ya go sir

#19 juit

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Posted 31 August 2013 - 03:25 AM

I added a diff way to do this mod


I love this sport!




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