mbrood Posted November 7, 2011 Share #1 Posted November 7, 2011 Some of you might appreciate this. Machinist's Workshop magazine tested penetrants for break out torque on rusted nuts. This was specifically addressed to rusted, other material results may vary The results are below, as forwarded by an ex-student and professional machinist, Bud Baker. They arranged a subjective test of all the popular penetrants with the control being the torque required to remove the nut from a "scientifically rusted" environment. Penetrating oil ..... Average load 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. Our local machinist group mixed up a batch and we all now use it with equally good results. Note also that "Liquid Wrench" is about as good as "Kroil" for about 20% of the price. Somtimes grandpa's solution still holds water... Link to comment Share on other sites More sharing options...
eagleeye Posted November 7, 2011 Share #2 Posted November 7, 2011 I mixed up a bunch of that stuff a couple of years ago and a year or so later was wondering what that red stuff was that was dripping from my cabinet. Yup, tha'ts what it was alright. Potent stuff I've passed this info on to some friends also. Steve Link to comment Share on other sites More sharing options...
RandyR Posted November 7, 2011 Share #3 Posted November 7, 2011 just don't spill it on plastic... Link to comment Share on other sites More sharing options...
eagleeye Posted November 7, 2011 Share #4 Posted November 7, 2011 just don't spill it on plastic... Now ya tell me Link to comment Share on other sites More sharing options...
mbrood Posted November 7, 2011 Author Share #5 Posted November 7, 2011 It's definitley not nice to plastic or paint... probably not freindly with rubber over time either. But ANY of the penetrants need cleaned off well after use and stored PROPERLY. Link to comment Share on other sites More sharing options...
SilvrT Posted November 7, 2011 Share #6 Posted November 7, 2011 Many of us swear by WD-40 although not originally desinged as a penetrant, it does have those qualities. Moreover, it won't hurt rubber or plastic (for the most part). It's original intended purpose was to act as a moisture repellant. Good info here though. Link to comment Share on other sites More sharing options...
CaptainJoe Posted November 7, 2011 Share #7 Posted November 7, 2011 (edited) Thats good to know ... Acetone and ATF to loosen nuts... Acetone and ground ABS for glue..."Marcarl?" I'll have to try it out, but to be honest, I'm kind of a "right now" guy... Ya know, there isn't rusted nut that I've found, that a cutting tourch couldn't fix.... and That, my friends, requires ZERO torque...LOL Edited November 8, 2011 by CaptainJoe Link to comment Share on other sites More sharing options...
dray Posted November 8, 2011 Share #8 Posted November 8, 2011 Many of us swear by WD-40 although not originally desinged as a penetrant, it does have those qualities. Moreover, it won't hurt rubber or plastic (for the most part). It's original intended purpose was to act as a moisture repellant. Good info here though. here is some info for WD-40 http://www.wd40.com/about-us/history/ tells about how it got its name in the beginning Link to comment Share on other sites More sharing options...
royalstarjac Posted November 8, 2011 Share #9 Posted November 8, 2011 The best thing I've found to loosen rusted lug nuts is Coca-cola. Link to comment Share on other sites More sharing options...
Eck Posted November 8, 2011 Share #10 Posted November 8, 2011 Pour a little Coke a cola on it and let it set for about 5 minutes...and it wont hurt the plastic either.. Link to comment Share on other sites More sharing options...
SilvrT Posted November 8, 2011 Share #11 Posted November 8, 2011 The best thing I've found to loosen rusted lug nuts is Coca-cola. You've GOT to be KIDDING !!! Waste good Coca-cola on that? No sireebob ... ALL my coca-cola goes with my RUM!!! :Laugh: Link to comment Share on other sites More sharing options...
Daveand Barbie Posted November 10, 2011 Share #12 Posted November 10, 2011 Smoke wrench.......works every time Link to comment Share on other sites More sharing options...
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