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Old October 10th, 2012, 17:05   #9
suzenonest's Avatar
Join Date: Apr 2010
Location: Hamilton, ON
Ive been using 25wt silicone oil on my o-rings (piston and air nozzle). Would a grease be better than an oil for the piston head o-ring?

I ask because the last time I pulled a certain piston out and checked compression, there was none, until I reapplied the oil. Wondering if it dries out and loses its properties for compression
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