Spump Conversion

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So recently my brother came across a free spyder xtra and I've had an old one that needs a rebuild that I've had sitting for a while, do I've decided that I'm going to attempt to do a pump conversion on one or both. I've done my research on what to do and have a pretty solid game plan on what to do but I have a few questions cause my knowledge on markers besides automags is almost non existant

So Part 1 Valve Questions :
When it comes to the valve/valvestem and cupseal will any 11/16 cocker valve work? I know in the past people have Trilogy valves or they've used jb weld and sand/polish it down the existing spyder one. Also has anyone ever attempted to use an azodin kp3 valve I was googling around and saw that ans sells them fairly cheap(I never owned an azodin kp3 so idk the valve size)

Part 2 Volumizer Questions:
Between the old spyder and the spyder Xtra the older style has a volumizer while the newer style doesn't, I assumed that's cause the switch from co2 to hpa, if I'm right and I'm running hpa is the volumizer necessary on the old one? I was thinking of using an over the barrel pump kit and plugging the old spyder's volumizer so it wouldn't get in the way.

Part 3 Regulator Questions:
Do I need one? Or will I be fine as is? If I remember correctly most spyder Ive seen never really had them. If I do need one what should I look into?

I guess for now that's all I can think of right now
Thanks in advance for any input.

[ChoSanJuan]

1 - mod your stock valve pin. Easy and will likely never fail. Put a big wad of JB weld on there and sand it smooth so the stem is equal all the way around/provides a good seal.

2 - I don't run one. I swapped it for one of the old skool HP front block ASAs and tapped it for a steel guide rod.

3 - I run one. Need one? Not really. I have a PMI Pure Energy one on there so it's co2 friendly when I change between the that and HPA.

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Awesome! Thanks for the reply, this is my tribute I'm hoping to keep the pump kit and milling minimal so you can see the anodizing I got some jb weld on the valve stem, another question spyder parts are fairly interchangeable with a pmi piranha right?

[ChoSanJuan]

Awesome! Thanks for the reply, this is my tribute I'm hoping to keep the pump kit and milling minimal so you can see the anodizing I got some jb weld on the valve stem, another question spyder parts are fairly interchangeable with a pmi piranha right?

Generally, no... They are just a smidge out of spec from each other to make it more work to get stuff to work properly (especially when modding a Spyder is already the focus of your project.) If the fishy is your platform, just Spump the fish, especially since the grip frame will be your biggest point of contention.

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This is where my lack of other marker knowledge shows, the spump mod should work the same correct? Also anyone know where to get an oring rebuild for it or spare parts?

[ChoSanJuan]

This is where my lack of other marker knowledge shows, the spump mod should work the same correct? Also anyone know where to get an oring rebuild for it or spare parts?

Yeah, the conversion will be 100% exactly the same. Before the 2.0 death, Skipdogg was trying to get rid of a bunch of fish parts. Hit him up.