I've worked on cars all my life, it's an aquired smell, but I've come to enjoy it in a similar way to Hoppes solvent or perhaps like dogs rolling in their own you know what LOL. To me it smells better than FP10 lube. Now that I have my rifle apart I might as well do it the right way, but I still think the Mobil tranny fluid is as good as what RWS/ Umarex sells as spring oilTake it from an auto mechanic of 15years... you don't want trans fluid anywhere near you. That stuff stinks even when brand new.
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