This from another thread
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
https://www.jeepforum.com/forum/f11/atf-acetone-vs-pb-blaster-others-766271/
IIRC 50% acetone/50% ATF is the mix.