blue62's idea is not new, it was tested by
Project Farm:
Quote:
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This test demonstrated that not all penetrating oils are equal. Also, paying more doesn't result in better performance. In this showdown, ATF/Acetone mix, AeroKroil, Liquid Wrench, PB Blaster, Royal Purple and WD-40 are put to the test. Results: Liquid Wrench came out on top, following by ATF/Acetone, Royal Purple, WD-40, PB Blaster, and AeroKroil.
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It was also the cheapest option, by far. Good luck, mine all broke instantly.