(10-28-2016, 07:48 PM)Pete O Wrote: I think I'm going to have to do a little high-school science experiment, put similarly soiled pieces of scrap into jars of various substances for a week and see which comes out cleanest for least cost and effort. So far the contenders are diesel, simple green, caustic soda, bicarb solution. Each plus or minus electrolysis.
Simple Green only needs to be sprayed on then pressure washed 5 to 10 minutes later. Did this with a lot of the parts on my Fray mill during the rebuild. Worked great.