jpdriver1 Posted June 28, 2015 Share Posted June 28, 2015 received this "recipe" from a friend on another forum. looking for input/opinions --- thanks Saw this online and thought I'd try it.50/50 mix of Marvel Mystery Oil and paint thinner.Article said it worked better than Blaster,Liquid Wrench etc.All of the reviews said it worked.I had taken the oil drain plate off my motor and 3 of the studs came out with the acorn nuts stuck to them.Tried double nutting the stud,wouldn't budge.Thightened the double nuts to the point of ruining the threads.Mixed up some MMO and thinner,threw them in a jar along with some rusted together bolts with nuts on them.Left it sit overnight.When I took them out one of the acorn nuts came off by hand,the others used double nuts and one turn of the wrench.The rusty nuts and bolts came right apart.I havent tried spraying it on anything yet but soaking the parts worked great.You could use an acid brush to apply it or a spray bottle.I had the stuff on the shelf so it was practically free. Link to comment Share on other sites More sharing options...
Eagle Posted June 28, 2015 Share Posted June 28, 2015 I've also read that a mix of ATF and acetone makes an excellent penetrating oil. I haven't tried it yet, but I have a half gallon of "Ed's Red," which is equal parts of ATF, acetone, and mineral spirits, that I may try. Ed's Red is used as a firearms CLP. I never thought of trying it as a penetrant until reading about the ATF/acetone mix. Link to comment Share on other sites More sharing options...
Incommando Posted June 28, 2015 Share Posted June 28, 2015 Even if it works as a low-cost soak to clean parts it would be worth it Link to comment Share on other sites More sharing options...
mik666 Posted June 28, 2015 Share Posted June 28, 2015 Acetone+ ATF or Acetone + MM oil (50/50)= best penetrating oil i've ever used - free'd up piston stuck in bores, rusted nuts, that all he other over the counter stuff failed on you can also use Acetone and Diesel - works well too but not as sure as well as the ones above Link to comment Share on other sites More sharing options...
jpdriver1 Posted June 29, 2015 Author Share Posted June 29, 2015 thanks guys :bowdown: Link to comment Share on other sites More sharing options...
Minuit Posted June 29, 2015 Share Posted June 29, 2015 Another vote for Acetone/ATF. My preferred brand name penetrating oil is Kroil (the spray can is pretty convenient), but the homemade stuff works a bit better. Link to comment Share on other sites More sharing options...
cruiser54 Posted June 29, 2015 Share Posted June 29, 2015 Another vote for Acetone/ATF. My preferred brand name penetrating oil is Kroil (the spray can is pretty convenient), but the homemade stuff works a bit better. My experience also. I wanna try MMO and acetone now......... Link to comment Share on other sites More sharing options...
mik666 Posted June 29, 2015 Share Posted June 29, 2015 Another vote for Acetone/ATF. My preferred brand name penetrating oil is Kroil (the spray can is pretty convenient), but the homemade stuff works a bit better. My experience also. I wanna try MMO and acetone now......... Not sure if its any better than the ATF/Acetone blend - but the smell of it is awesome! i used it to free all the bolts/nuts when changing my leafs and coils and put it on for 3-4 days straight - garage smelled like victory! they came off pretty easy (needed the rattle gun but still no broken bolts etc) Link to comment Share on other sites More sharing options...
cruiser54 Posted June 29, 2015 Share Posted June 29, 2015 I also like the smell..... Link to comment Share on other sites More sharing options...
NHMJXJ Posted March 6, 2023 Share Posted March 6, 2023 A little late to the show, but ... Link to comment Share on other sites More sharing options...
gogmorgo Posted March 6, 2023 Share Posted March 6, 2023 Seems like every test I see online comes up with different results. But in my personal and professional experience, the best thing for it is heat. Liquid wrench and Seafoam deep creep seem to work reasonably well. I’ve also been impressed by Mopar’s penetrating oil, we stocked it at a previous workplace. I’ve had decent results with Kroil, but it’s not the easiest to come by. WD40 and PB don’t seem to do as well. But it’s tough to say because it’s not like you spray one thing on and it doesn’t work, then you spray something else overtop and it immediately works, usually it does or it doesn’t, no matter what you’re using. Heat on the other hand changes the size of the thing you’re dealing with. It doesn’t take much heat either, you don’t typically need to get it red hot. My inductive heater is hands down the best rusty fastener removal tool I’ve ever used. Acetone is a pretty thin liquid, and a potent solvent. I can imagine it would creep down into most tiny voids and carry some oils from your mix along with it for lubricity. But I’ve never tried it. Link to comment Share on other sites More sharing options...
cruiser54 Posted March 6, 2023 Share Posted March 6, 2023 CRC's Freeze-Off is one of my favorites. Link to comment Share on other sites More sharing options...
Salvagedcircuit Posted March 7, 2023 Share Posted March 7, 2023 1 hour ago, gogmorgo said: My inductive heater is hands down the best rusty faster removal tool I’ve ever used. Which one did you have success with? I've been meaning to pick one up for my workshop. Thanks! Link to comment Share on other sites More sharing options...
gogmorgo Posted March 7, 2023 Share Posted March 7, 2023 4 hours ago, Salvagedcircuit said: Which one did you have success with? I've been meaning to pick one up for my workshop. Thanks! I’ve got the Mini-Ductor Venom. Didn’t really shop around or read reviews at all, it just happened to be on sale at Napa at the same time that I got very upset at something. It’s not a small amount of coin to thrown down but I don’t regret the purchase at all, even if I’d only used it for that one job, it was indispensable. You don’t need to get most things glowing red hot, but you can if you want to, and the heat is way more precise than you can get with an oxyacetylene torch. Not to mention you aren’t pointing a big hot flame into the bottom of a box full of flammable things every time you get it out. No gas bottles to lug around or run out either. You don’t even really need to see what you’re doing particularly well, just get the coil over the bolt and pull the trigger, not like a torch where it really matters where you point it. 5 hours ago, cruiser54 said: CRC's Freeze-Off is one of my favorites. I remember seeing the infomercials for similar products a while back. Can’t say I’ve ever seen it on a shelf to try. Just a can full of liquid propellant that pulls away heat as it boils? Like the home wart freezing kits? Link to comment Share on other sites More sharing options...
schardein Posted March 8, 2023 Share Posted March 8, 2023 For those who use the ATF/Acetone or MMO/Acetone, what kind of container are you putting it in? I think a plastic squirt bottle from Walmart wouldn't work very long with acetone in it. Link to comment Share on other sites More sharing options...
gogmorgo Posted March 8, 2023 Share Posted March 8, 2023 The few times I’ve seen it used online it looks like they’re pretty much just mixing in a small jar and either pouring or spooning it on. I’ve used graphiti removers that came in squirt bottles that smell and act like they’re at least 80% acetone, so there’s got to be some out there that’ll hold up. But yes, you’d need to pick your plastics wisely or you’ll just end up holding a puddle. Link to comment Share on other sites More sharing options...
watchamakalit Posted March 8, 2023 Share Posted March 8, 2023 I remember seeing aluminum spray bottles you pressurize with compressed air. Here is the first i found one the jungle website. There are surely other/better/cheaper options. FIRSTINFO A1638 Patented 620c.c. (21 US fl. oz) Thickened Aluminum Canister Aerosol Refillable Fluid High Pressure Storage Spray Can / Pneumatic Compressed Air Sprayer / Maximum Pressure 140 psi https://a.co/d/4fNHqh8 Link to comment Share on other sites More sharing options...
fiatslug87 Posted March 9, 2023 Share Posted March 9, 2023 I put mine in a plastic dropper bottle with a piece of tygon tubing on the end. Polypropylene and polyethylene can handle the acetone. Link to comment Share on other sites More sharing options...
jpnjake Posted March 9, 2023 Share Posted March 9, 2023 8 hours ago, schardein said: For those who use the ATF/Acetone or MMO/Acetone, what kind of container are you putting it in? I think a plastic squirt bottle from Walmart wouldn't work very long with acetone in it. The guys I know who use it use it in an old fashioned oiler like this (just the first one that popped up) https://www.autozone.com/shop-and-garage-tools/oiler/p/performance-tool-1-4-pint-pump-oiler/142105_0_0? Link to comment Share on other sites More sharing options...
eaglescout526 Posted March 9, 2023 Share Posted March 9, 2023 So I just did the acetone ATF mix on my T/As power steering pump pulley as it needs to be removed and powder coated like the rest of the parts and last night it was a pain to get it to budge. I put the mix on the pulley center and voila! I got it off with out exerting my energy. Link to comment Share on other sites More sharing options...
schardein Posted March 9, 2023 Share Posted March 9, 2023 16 hours ago, fiatslug87 said: I put mine in a plastic dropper bottle with a piece of tygon tubing on the end. Polypropylene and polyethylene can handle the acetone. I like simple. I have some old CLP bottles in the gun cleaning stuff. I'll try that. Link to comment Share on other sites More sharing options...
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