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Reply to "Header Swap FAQ"

Every few months I see a post about 50/50 Acetone/ATF being one of the best penetrating oils you can use ... here's a copy from one of the many bulletin boards that mention it (I think it showed up here recently too) -

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... from the April/May 2007 edition of Machinist's Workshop. They did a test of penetrating oils where they measured the force required to loosen rusty test devices. Buy the issue if you want to see how they did the test. The results reported were interesting. The lower the number of pounds the better.

Penetrating oil . Average load .. Price per fluid ounce
None ................. 516 pounds .
WD-40 .............. 238 pounds .. $0.25
PB Blaster ......... 214 pounds .. $0.35
Liquid Wrench ... 127 pounds .. $0.21
Kano Kroil ........ 106 pounds .. $0.75
ATF-Acetone mix.. 53 pounds .. $0.10

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Last edited by 5754
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