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should I v mach tune a mk3 tx200


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8 replies to this topic

#1 alexapps

 
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Posted 26 September 2011 - 08:48 PM

Hi there,

First post on these forums, so please take it easy on me smile.gif .

Anyhow back on topic,

I recently bought a second hand .22 mk3 tx200, which in my eyes looks immaculate. I went down my local field target club (marshfield, cardiff) on the weekend and got the gun chronoed and had a play, and I must say I had a really good time.

Now on to the main point of the question, .

The gun in my eyes fires well and groups well (obviously with a few flyers because I'm still learning) with fair power having being measured at 10.5ft. lbs on the chrono, however as the gun was bought second hand and not knowing exactly how old the gun is, how often it has been used I was wondering if it would be worth buying the v-mach tuning kit and giving the gun a little tlc and a "tune up".

Now my question is, is the v-mach kit worth the price? Would I notice a difference? And overall is it worth it?

Alternatively would a rebuild and re-lube be adequate. 70~ is expensive but I'm more than happy to spend that money if it is going to improve what I already believe is a lovely gun.

Any views and opinions are more than welcome. And I look forward to what you all have to say.

Thanks

Alex

#2 JLB

 
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Posted 29 September 2011 - 02:19 PM

The quick answer is no. You can add a washer or two to the rear guide to increase the power a little approx 15 fps per washer if you choose, but the TX mk3 is notorious for creeping up in power anyway over around 1500 pellets so probably best to shoot it a bit first. A re-lube is often recommended for these rifles but again if its shooting ok why fix it. The venom kit makes it harder to cock & speeds up the firing cycle, & maybe a little less action noise, but personally i think they are better suited to the weihrauch models. I have a venom kit for the TX in my bits box which I removed from mine as I found it of no benefit & just harder to cock.

John smile.gif

#3 LeeEv2

 
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Posted 09 December 2011 - 07:00 PM

I added one to a prosport, speeded up the lock time like stated above! recoil was worse! harder cocking ect! he now wants it removed!
Again i agree with above, better in the Weirauch 77 97 ect!

#4 1 0f 5

 

    Now 1 0f 4

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Posted 24 December 2011 - 06:48 PM

You need to be an expert to improve the TX. They are pretty much as good as you can get for a mass produced gun. I had a full ultraglided one and you could tell it was an improvement but then it'd been done by people who are experts in the matter. I've shot many modded TXs and lots were worse than std. Just adding the kit rarely does anything but lighten your wallet.

#5 tonyn

 
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Posted 05 January 2012 - 01:28 PM

My mk3 tx hc brand new was a bag of spanners , noisey, rattling and underpowered. A v-mach kit worked wonders , However as previously reccomended yours seems fine , a quick clean up and relube should be suffice.

#6 RobJ

 
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Posted 07 January 2012 - 10:54 AM

I'm wondering if there are any quality issues with the new mk3's

I bought a HC .177 in October and 1000 pellets later it developed a real twang. I'm getting it tuned and all bespoke spring,guide,seal made with a trigger polish.

In an update from the tuner he has noted that the spring was out of square at one end, oil like grease was everywhere including the wrong side if the seal (still only putting out 10.6ft/lbs though) and there was six metal preload washers!

Maybe this is Air Arms policy to use a weak spring and a ton of preload ? but I'm disappointed about the spring being out if square, hence the twang.

To be fair its a stunning rifle and will be mine for life but from this experience I'd advise getting a specialist tuner to review or fit the kit if possible.

all the best
Rob

Attached Files


Edited by RobJ, 07 January 2012 - 10:59 AM.


#7 RobJ

 
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Posted 07 January 2012 - 11:28 AM

The preload (sorry for taking slightly off topic) Attached File  ironmongers_preload.jpg   147.13KB   49 downloads

#8 JLB

 
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Posted 30 January 2012 - 04:09 PM

That gun looks like its been apart before. Mine had no where near that much grease on it from new & the original grease was a yellowish colour.

John smile.gif

#9 RobJ

 
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Posted 02 February 2012 - 11:20 PM

QUOTE(JLB @ Mon Jan 30 2012, 16:09) <{POST_SNAPBACK}>
That gun looks like its been apart before. Mine had no where near that much grease on it from new & the original grease was a yellowish colour.

John smile.gif


nope, it was brand new, I picked it up the day it was delivered to my rfd from the supplier.

I'm going to post a review of it tuned as its amazing now, loads better.




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