Sujit
In my experience any media that will not strip paint, ie, crushed walnut
shells, plastic bead blasting, etc. will simply bounce off of grease and/or old
undercoating which is ineffective and messy. Even aggressive stuff like Black
Diamond will have a tendency to do the same, and will certainly eat paint when
it gets through. If your frame is immovable and you prefer to stay in the
garage, Kano Laboratories makes a superior degreaser that can be purchased by
the gallon. These are the same folks that make AeroKroil, the best penetrant
I've found, ever. Have your tarp or drip pans ready and brush away. I've used
old wooden paint paddles and plastic bondo spreaders for removal. It takes
time, but may fit your application.
Ed in Dallas
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