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  #151  
Old 03-13-2017, 10:00 AM
lvschie
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Quote:
Originally Posted by gmd1950 View Post
You're only about six years late on this one.
Why late? I can start a new topic, but this one is interesting enough to continue, don't you think?
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  #152  
Old 03-13-2017, 11:13 AM
sakopete
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All international torque standards are done with lubrication. It is to prevent galling and give a consistent reading.
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  #153  
Old 03-13-2017, 11:17 AM
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Thanks Pete, good to know.

I've ordered one of those J&P magical springs, and did some work on the striker of my CZ455. Tonight I'll check and see how the striker mod worked out, hopefully the spring will arrive in a week or so (I'm not State side, but in Europe). Can't wait.
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  #154  
Old 03-13-2017, 03:01 PM
staff3704
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What's the problem with picking this up again. I just remembered I had ordered some striker springs J&P for a 452 that I sold years ago but got a 452 after that from a pawn shop that probably needs it. But a couple of years after that I got a 455 that probably needs fixing also. So I guess I need to order more. Nice reminder.
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  #155  
Old 03-13-2017, 03:41 PM
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I'm glad this was revived! Good info here and I'm ordering springs today.
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  #156  
Old 03-13-2017, 03:56 PM
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Not a thing wrong with reviving it, the OP passed several years ago, Pete obviously is happy to answer your question.
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  #157  
Old 03-14-2017, 04:34 AM
lvschie
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Well, the striker mod didn't do much on it's own, but I did do something I haven't done before. I changed the torque on the action screws to a value below 22 in/lbf, 10 in/lbf to be precise, and worked my way up from there. And to my big surprise the rifle shot some of the most accurate groups I've ever shot at 55 yards with 14 in/lbf of torque. I must say, that amazed me. I just hope my action doesn't come loose with such a low torque.

Oh, and Pete, I put some grease on the screws as you suggested.
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  #158  
Old 03-14-2017, 06:33 AM
200yd
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The diagrams on striker tip shaping are a great resource.
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  #159  
Old 03-14-2017, 07:36 AM
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Quote:
Originally Posted by sakopete View Post
All international torque standards are done with lubrication. It is to prevent galling and give a consistent reading.
Myself, I use Mobil 1 Synthetic transmission fluid on my ACTION screws. and all other moving parts. Lubricating the Action screws were mentioned waaaay back. Synthetic transmission fluid does not attract dust/dirt, either.

I use a JP bolt and trigger spring in my one rifle. They are the best.
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  #160  
Old 03-14-2017, 07:08 PM
200yd
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This is very interesting thread, I am glad it was resurrected. djdilliodon actually uses a striker spring that is lighter than the factory spring. In his opinion the factory spring is overpowered since it is multi-caliber and this causes unnecessary vibration.
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  #161  
Old 03-14-2017, 07:16 PM
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Quote:
Originally Posted by 200yd View Post
This is very interesting thread, I am glad it was resurrected. djdilliodon actually uses a striker spring that is lighter than the factory spring. In his opinion the factory spring is overpowered since it is multi-caliber and this causes unnecessary vibration.
I hope the forum will pardon my confusion but does this mean that a J&P firing-pin-spring is too powerful?
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  #162  
Old 03-14-2017, 10:46 PM
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Just posting so I can find again. Interesting read.
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  #163  
Old 03-15-2017, 01:50 PM
lvschie
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Quote:
Originally Posted by 200yd View Post
The diagrams on striker tip shaping are a great resource.
Used those.

Quote:
Originally Posted by balvenie View Post
I hope the forum will pardon my confusion but does this mean that a J&P firing-pin-spring is too powerful?
Not according to many people who have successfully swapped their standard spring with a J&P spring.
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  #164  
Old 03-15-2017, 07:21 PM
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Quote:
Originally Posted by lvschie View Post
Not according to many people who have successfully swapped their standard spring with a J&P spring.
Thanks mate
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  #165  
Old 03-15-2017, 10:31 PM
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Oh yea, I'm glad to see this thread again after all the years. It reminded me that I still have a JnP spring waiting to be swapped out in my 527 varmint, and I need to order another for the 527 carbine I've picked up since then. I also meant to order a few for several BRNO model 1s. Guess I'll make a spring party of it this Spring, he he.
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