Author Topic: Jay Morgan's Whisper Tune  (Read 5968 times)

Offline michael90t

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Jay Morgan's Whisper Tune
« on: May 10, 2010, 01:56:37 PM »


Ok So I tuned Pops gun for him on Sat first tune on a Gamo and here are my impressions.



I was very pleased on the quality of the material the internals are made of... I was not at ALL impressed on the fit and finish of them though... the tophat being the worsthad razor sharp edges on every surface of it actually almost cut myself on it when the gun was first pulled apart....



Spring guide was mostly ok but for the tip and it too had a wire fine edge that was just asking to get broke off and gunk up the works...



compression chamber walls where wavy and not very uniform not only that but it was full of metal shavings!! the blown seal had shaving embedded into the face of it and the face of the chamber also has shavings that needed dug out before it could be honed and refinished...



And of course every opening had not really burrs but raised ridges that needed taken down from the slots being die punched



overall I feel its WAY overpriced for a piece of equipment to come with such poor finishing and full of shavings.......honestly its shameful but that being said here is what was done to it..



tophat and spring guide completely deburred,reshaped, smoothed, and polished



all ridges in cocking slot and trigger slot and scope stop removed and polished



compression chamber honed and crosshatched



action tube refinished to better hold lube



piston buttoned and fitted to tube and deburred/polished



stainlessthrust washers turned for spring guide



stainless thrust washer turned for tophat and sized to keep tophat centered in piston



e3650 "ultra" spring ends ground flat and polished



Apex small seal installed



GRT-III trigger installed



sear faces reworked and polished



and trigger assembly lubed with "dry" Silicone ( my preferred trigger lube for anything :)



everything was lubed back up with JM's moly and spring got a light coat of heavy tar on the outside also allpivot points was lubed with correct lubes and the whole thing put pack together..



finished impressions



Action is buttery smooth and VERY quietno creaking or clanking while cocking the gun or shooting.. fire sequence is a very smooth thunk with no spring twang or vibration... no twist or any real spring torque just a straight recoil and thunk... trigger is well.... s e x y.... between Bobs excellent trigger and the sear refinish its nothing short of spectacular.... I would like it to have a slightly shorter second stage(sear engagement) but as set its lovely and very smooth and glassy





All in all its a completely different gun and next post will show the results!!


Offline michael90t

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RE: Jay Morgan's Whisper Tune
« Reply #1 on: May 10, 2010, 02:15:38 PM »


ok first two pics are of the gun after we broke it in with about 50-75 shots of CPHP's and dads first real attempt at a 10 shot group at 17.5 yards the square is 3/4x3/4 inch and thats a dime sitting next to it.....







second two pics are mine and dads shoot off cause you see... I didnt see him print that first group so of course it didnt happen right?!?! 10 shot groups 17.5 yards cphp's 1x1 inch squares(second pic of this has dads original 10 shot group too.... just so he wouldnt feel so bad )









unfortunatly for me I had not eaten at all today and drank way to much coffee and I pulled both those flyers :( dad on the other hand had a bad headache....... atleast thats our excuses :)



I am personaly super impressed by this gun now... I may not like the polymer shrouded barrel and all but with the correct tune this thing shoots.....


Offline djmyers

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RE: Jay Morgan's Whisper Tune
« Reply #2 on: May 10, 2010, 02:21:04 PM »
That's a thorough work over. Somebody will be one happy camper to get that gun back. Can't wait till it's broken in to see what she is doing after the tune.

Wow just saw the 2nd post. Great work. Have you thought about filling the stock? I did that to my big cat and it really finished the tune. What kind of scope is that? Looks nice.
Gamo Hunter gas piston GRT 3 leapers 3-9x40ao
Big Cat GRT 3 leapers tactedge  
Diasy 120
RWS 350 mag PG2 leapers 4-16x50ao
Crossman 2200
Crossman 2250
Crossman 1377
Daisy 880
2 Chinese underlevers
2 European break barrels.

Offline jay morgan

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Re: Jay Morgan's Whisper Tune
« Reply #3 on: May 10, 2010, 03:11:59 PM »
Thank's djmyers,stock is already filled,tight packed rag's in butt stock & while son was doing tune I placed about 11/2 oz. of #5 shot in forearm & epoxyed in up to edge's of hole's ,seemed to balance out gun well for off hand.I went sat. & dropped part's off to m.j & just sat on my butt & watched him work(nice change for me LOL, opp's sorry boy)but after an hour or so I just left & got supper,he was done that day but didn't bring gun back till today,just took 12 call's & 2 e-mail's(,don't know what he was doing I had stock).Really he did a great job on gun it shoot's good & I'm sure it will improve as it break's in more ,it seem's to have more power in pen. test & far less side twist in fireing & that awful twang is gone!!!! MR. BOB if you read this YOUR TRIGGER IS BEYOUND JUST GREAT!!!!word's fall short of it sir,just friggen SWEET!!! & I can't help myself so I will play with adj. some(sorry).
N.R.A.(endowment),G.O.A.(life), N.R.A. trainer for,c.c.w.,all firearms &reloading /\" NO FREEMAN SHALL EVER BE DEBARRED THE USE OF ARM\'S\"(Thomas Jefferson)

Offline jay morgan

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Re: Jay Morgan's Whisper Tune
« Reply #4 on: May 10, 2010, 04:20:52 PM »
I'm sorry djmyer's I forgot,it's just an old NcSTAR(russian I think maybe chinese?)10 to 40 power,30mm tube sniper scope that had laid around in gun vault's for ever,used it when gamo scope gave up the ghost. seem's to be working out o.k so far, 50bmg rated if I remember right?
N.R.A.(endowment),G.O.A.(life), N.R.A. trainer for,c.c.w.,all firearms &reloading /\" NO FREEMAN SHALL EVER BE DEBARRED THE USE OF ARM\'S\"(Thomas Jefferson)

Offline shady816

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Re: Jay Morgan's Whisper Tune
« Reply #5 on: May 13, 2010, 09:09:32 AM »
Good job michael i'm sure you had fun and enjoyed doing it for good ol pops.

Offline North Pack

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Re: Jay Morgan's Whisper Tune
« Reply #6 on: May 13, 2010, 09:24:10 AM »
Sounds like quite a job, - and a good one, nice going.

Offline michael90t

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Re: Jay Morgan's Whisper Tune
« Reply #7 on: May 13, 2010, 02:54:46 PM »
Thanks guys! I enjoy working on guns no matter what kind they are... pretty much any type of slug throwing holds a fascination to me from firearms to paintball and airsoft to pellet rifles to odd things like slings and slingshots etc etc... and I am a tinkerer by design so I always have to take them apart and find out how to make them work better :) lol

Offline shadow

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Re: Jay Morgan's Whisper Tune
« Reply #8 on: May 13, 2010, 03:27:02 PM »
Sounds like she came out great Michael. Ed
I airgun hunt therefore I am... };)  {SHADOWS Tunes & Camo}  airguncamo@yahoo.com

Offline SUPERFITTER

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Re: Jay Morgan's Whisper Tune
« Reply #9 on: May 13, 2010, 04:36:31 PM »
Michael great job. How long did it take to finish?

Offline michael90t

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Re: Jay Morgan's Whisper Tune
« Reply #10 on: May 14, 2010, 12:24:26 AM »
to be honest not quiet sure how long it took me to finish it LOL was one of those days where I went out to the workshop looked around and then started reorganizing things to get some type of workflow going then worked on the gun then dad stopped in to drop off the spring and seal that was delivered on that saturday and of course we got to BS'ing and I was showing him what I had done to showing him my GF's house(he hadn't been there before lol) Then I had to stop and go to my GF's neices last theater play(she is graduating) lol ended up finishing it up on sunday right before church :) but all in all I would say around 4 hours to get things done and do it right

Offline jay morgan

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Re: I think it ate another scope
« Reply #11 on: May 15, 2010, 03:27:09 PM »
gun is shooting great stack's pellet's all day,breaking in very smooth & easy,but yesterday scope acted funny & today I'd roll it in, stack 10 or so shot's & BAM shift 1/2" or so & stackem there!!!I give up on variable scope's,I think I'll try a fixed power,anybody know of a nice say around 10 power scope?THAT'S TOUGH AS NAIL'S for this gun. :o
N.R.A.(endowment),G.O.A.(life), N.R.A. trainer for,c.c.w.,all firearms &reloading /\" NO FREEMAN SHALL EVER BE DEBARRED THE USE OF ARM\'S\"(Thomas Jefferson)

Offline michael90t

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Re: Jay Morgan's Whisper Tune
« Reply #12 on: May 15, 2010, 08:09:56 PM »
yea its fristrating to put 10 rounds on tope of each other 1/4 inch to the right and move the scope 1 click(supposedly 1/8 MOA scope) and itmoves 1 inch to the left instead of the 16th it should have LOL