yep!
I took a putty knife and knocked off the built up grease, then sprayed the stuff on in the sun, let it sit for 45 or so min, and blasted it. I would say 80% of the paint came off, and pretty much all of the grease.
Now... being you are in a very environmently aware area... you'll want to clean up your mess. The grease and oven cleaner on the pavement will not only stain, but it will p!ss off the polution cops.
Cheap stuff;
(ex wife gave it to me, 3/4 full, cost, NOTHING!)
Nastyness;
2 hrs later...Cleaned;
Then I scrubbed it, sanded the rest of the stuff off, scuffed, cleaned and POR'd the front 1/2 of the frame