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Author Topic: cleaning pistons.....  (Read 727 times)

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Offline 1manband

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cleaning pistons.....
« on: September 20, 2014, 06:09:47 pm »
how do you guys do it?

used to do it with glass beading....(just found out this is not good).

-joe
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Offline 660magnum

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Re: cleaning pistons.....
« Reply #1 on: September 20, 2014, 07:53:46 pm »
I wipe them off with a rag soaked in mineral spirits or penetrator. If there is some heavily crusted build up on top I may hit it with a putty knife first.
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Offline aclarke

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Re: cleaning pistons.....
« Reply #2 on: September 20, 2014, 08:32:04 pm »
Soak em overnight in Simple Green. Works great and no caustic crap to breath
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Offline Cut4fun .

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Re: cleaning pistons.....
« Reply #3 on: September 20, 2014, 11:34:48 pm »
Just wondering something. Never tried it. But I have a brass cleaner tumbler for reloading. I wonder what  a piston would be like in one?  It just vibrates and rotates them around.

Cant remember if I user walnut media in tumbler or what, been awhile.

Good idea on simple green I still havent used the stuff to know.
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Offline Al Smith

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Re: cleaning pistons.....
« Reply #4 on: September 24, 2014, 12:44:08 pm »
I usually give them a soaking in a coffee can full of kerosine for a day then brush the crud off .Several I put in a coffee can.metal not plastic with strong detergent and water and boiled it on the gas grill .Works but it's getting hard to find a metal coffee can these days. I doubt if plastic would be a grand plan .
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Offline aclarke

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Re: cleaning pistons.....
« Reply #5 on: September 24, 2014, 01:45:22 pm »
Kev, be interesting to throw a piston and some dry moly coating along with some shot and see if the impingement from the shot hitting the piston transfers the moly as is done with bullets
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Offline 660magnum

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Re: cleaning pistons.....
« Reply #6 on: September 24, 2014, 02:21:56 pm »
You might want to use an old pin in the piston to protect the pin bore?
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Offline aclarke

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Re: cleaning pistons.....
« Reply #7 on: September 24, 2014, 03:12:03 pm »
Be a good idea. Might try it out and see if the moly sticks to the aluminum.  Gotta be better than the moly spray paint on the Chinese  AM pistons!  Lol
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Offline Cut4fun .

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Re: cleaning pistons.....
« Reply #8 on: September 24, 2014, 04:27:28 pm »
Interesting Adam.  Never done anything with moly and bullets here. Keep us updated.
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Offline adam32

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Re: cleaning pistons.....
« Reply #9 on: September 25, 2014, 04:39:47 pm »
The moly for bullets is pretty sticky, it'll even "season" the rifle bore with moly.

I got a bunch of 6mm 115gr D-Tacs to test out that were molyd and since my rifle wasn't going to shoot moly forever I didn't want to shoot them then have to clean it all out so I stuck the bullets in the tumbler and all the moly came off pretty easy. I'm not sure it would stay on a piston for more then a few minutes...???
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