None ........................... 516 pounds
 WD-40 ..................... ... 238 pounds 
PB Blaster .................... 214 pounds
 Liquid Wrench ............... 127 pounds 
Kano Kroil .................... 106 pounds 
ATF-Acetone mix...............53 pounds
The ATF-Acetone mix was a "home brew" mix of 50 - 50 automatic transmission fluid and acetone. Note the "home brew" was better than any commercial product in this one particular test.