Just found this thread, Im the guy with the Earthshaker in this video. Just for reference, I had the entire Playfield done in 21 minutes give or take. I have since done two other system 11s and it makes it sooo much faster. I tried soaking the lower end of the PF with goo gone, but no avail, I will be doing the flour on another soon. One bit of advice I did get was not to let goo gone sit too long on the PF as it may get into inserts if there are cracks there and allow them to lift. Either way, its rewarding just to get that off of there...
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