Got it. A few years back in Trails, Mark Whatley recommended a mix of equal parts ATF, Mineral Spirits, Acetone and Kerosene. I use it to soak parts in a covered container. It works well. Mark said he learned it from person at Ruger.
L43dean-1968 Fj40 LandCruiser,1980 Rn47 Hi-lux Pickup 4WD and 1985 Rn65 ExtraCab Truck 4WD. YEP!