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Old 03-04-2013, 08:50 AM   #1 (permalink)
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odd threading of vertical asa?

I picked up two Thundercats recently and would like to install a PPS stabilizer on one of them. However, the stab (which threads into every other asa I have) won't go more than about two turns into the vertical asa on either gun. It'll thread into the rear asa on either one, as well. I checked a few of my CO2 and HPA tanks and some of them stick at the same point as the stab, while a few will actually thread in (but with more effort than should be required). Is this "normal" or have others noticed this problem also? I imagine if I wanted, I could get an appropriately-sized tap, I could run it in to clean up the threads.
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Old 03-04-2013, 11:25 AM   #2 (permalink)
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This happens quite often with older guns. The asa standard just wasn't as standardized as it is today. Your best bet is to try other regs or (if you can find them) asa's until you find a good fit.
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Old 03-04-2013, 05:00 PM   #3 (permalink)
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you could try and chase the vert with a ASA tap and see if you can straighten out the threads.
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Old 03-04-2013, 05:08 PM   #4 (permalink)
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Call ICD. Maybe they can help and probably still have parts in stock. Yes they still handle paintball items.

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Old 06-11-2013, 01:48 AM   #5 (permalink)
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Same thing happened to me a while back.
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Old 06-11-2013, 09:15 AM   #6 (permalink)
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Ya, it's not uncommon but I hve to ask... Why do you want to run a reg on a Thundercat? There's really no need to.
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Old 06-11-2013, 10:52 AM   #7 (permalink)
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I had that happen with one of the old VTS adapters from Skanline for a VM-68. I took me a while to find a tank that fit it okay. I think the person I sold it to ended up having someone chase the threads and then it was fine.

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Old 06-11-2013, 11:00 AM   #8 (permalink)
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Before you buy a tap, check the seal areas of the ASA and the stab. The diameter of the stab near the o-ring may be larger (by any amount) than the matching area in the ASA.

I found that situation on an old 12g changer (BE?) and a Spyder ASA that seemed to work on everything else. I turned a couple thousandths of an inch off of the changer and everything was agreeable. It's "tolerance stacking", as they say.

The problem may be the threads, but if it goes in OK up to a point, I would check those diameters.

Of course, having been three months ago, it may all be worked out by now. In which case, where are the pics of this regulated 'cat?
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