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Old 03-31-2013, 01:19 PM   #1 (permalink)
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Wanting a little more efficientcy

I'm thinking that a softer valve spring and rear spring would help. Where could I find these please.
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Old 03-31-2013, 02:45 PM   #2 (permalink)
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I have not messed with the hammer/valve springs on sheridan guns much at all,

What I have done is replace the stock bolt with a Cooper-T bolt. Never looked back, and is now my most reliable gun (PMI-I).

Don't know if this helped, but I tried.
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That's interesting... it's got a cat for a recoil pad. Must shoulder kinda awkwardly.

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Old 03-31-2013, 06:33 PM   #3 (permalink)
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In valve you can use spyder valve springs. The hammer spring can be preloadet with screw.

If you will reduce the oppening force then it is better hammer lightening - it helps with bouncing elimination and to speed the valve and even trigger operation.

Be prepared spent some time, powerlets and paint trought chrono. Without chrono you have no chance find the better spring combination.
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Old 03-31-2013, 08:45 PM   #4 (permalink)
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Is there anywhere that sells lightened bolts, or is sending mine off the only option? I'm always hesitant about sending things off. I do remember reading about someone modding the bolt and rva to accept spider springs, any idea about that?
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Old 03-31-2013, 09:29 PM   #5 (permalink)
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Lightened bolts? I think that you have on mind lightened hammers.

They were sold in old days in turbo valve kits:



But I do not think that you will find one now.

You can lighten the stock by grinding it with disc grinder. Is not hard, it only takes time. But I will be not recommend go below 1/2 of original weight.

I do no think that someone modds the hammer for spyder springs. The hammers are from very well hardened steel and it is hard to work with them in other way than with grinding and that is slow.

I you have really on mind lightened bolt, somene here in custom work section has manufactured delrin bolts fo PGPs. But I do now know if are they lighter.
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Old 03-31-2013, 10:10 PM   #6 (permalink)
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I meant hammer not bolt. Now I just need to get my hands on a good grinder
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Old 04-20-2013, 09:07 PM   #7 (permalink)
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Found one of those Hammers 2nd hand. Working on cleaning the rust off of it.

Edit-
Rust cleaned off and installed with a new rear spring. It sounds different, I'll try to shoot it tomorrow and figure it out

Last edited by xHOBOPHOBIAx; 04-20-2013 at 11:07 PM.
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