That's fine. Dow 55 is meant to swell orings up a bit which is why I use it on the valve. I wouldn't use it on moving parts. Your dow 33 is fine for that.
Etek 3LT grey/black f/s
Valken Proton greyish/black f/s
68 4500 PE stubby, LP output f/s
68 4500 AIR tank(no reg) f/s
Creed Battery, eyes and noid f/s