from
hereSo you deal with a lot of rusty nuts? Go down to the hardware store and buy some acetone, a quart of Dexron Mercon and a refillable spray bottle. In the spray bottle mix the ATF and acetone in a 1:1 mixture. [ATF = automatic transmission fluid]
Spray away and get your nuts loose!
Independent testing of penetrating oils using a single steel bar with 1/2”x20 nuts torqued to 50 ft/lbs and treated with a 10% salt water solution that was allowed to rust. Listed are the chemicals and required removal torque.
-None ………………… 516 pounds
-WD-40 ……………… 238 pounds
-PB Blaster …………. 214 pounds
-Liquid Wrench ….. 127 pounds
-Kano Kroil ………… 106 pounds
-ATF-Acetone mix….53 pounds