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White lithium grease works on the threads. They actually work better with a little build up. They are modulated to add and remove baffles as you like and you can clean them but you don't need to....

You can but spanners for them and you can use oil filter wrench but 8 would bother just leave it and use it. What ever you do don't clean it with solvent and then fire it. It will blow up.

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