ATF and Acetone mixture ratio? - Page 2 - MyTractorForum.com - The Friendliest Tractor Forum and Best Place for Tractor Information
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post #16 of 24 Old 04-18-2019, 10:22 AM
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Re: ATF and Acetone mixture ratio?

This is a really interesting thread brought back from the dead.

I've tried everything commercially available at one time or another, including Silikroil and Kroil and PB Blaster has always worked best for me on rusted fasteners. I used to tear down Volkswagens with Ohio rust in junkyards, which is how I came to that conclusion but it's worked on everything the best. There is now a version called Deep Creep that a buddy who does exhaust work swears by by but I haven't seen it work any better than PB.

I do have a can of this stuff I picked up on clearance, but haven't tried it yet.

https://www.autozone.com/greases-and...ant/898352_0_0

There is one exception to the PB dominance. A few years back, I dragged home an 8N that had been sitting in a barn for years with the spark plugs removed, the rings were frozen to the cylinder walls. Nothing I threw at it from the arsenal of aerosols budged it a bit and I had given up on it.

I also have a old Dodge Cummins truck and while on that forum, a guy mentioned they used 50/50 ATF and acetone at their shop to tear down turbos without breaking bolts.

I mixed some up that night, spritzed it into the cylinders, and the next evening the rings were free. So it worked for me and that's how I came to the conclusion it's better than the commercially available options.

I'm a little surprised Liquid Wrench was found to work better than PB. It's been a lot of years since I used that, I'm going to get some soon and try it again.

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post #17 of 24 Old 04-18-2019, 12:12 PM
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Re: ATF and Acetone mixture ratio?

I've used about every available penetrating oil over the years--ones we sold at parts stores ranged from Liquid Wrench,WD-40,Cyclo "Break Away",LPS,CRC 5-56, "Rust Buster" and several other "lesser known" brands,and some that came in liquid form in a squirt bottle that was castor oil based..

The Liquid Wrench I liked and used most often was a newer formula that had teflon added..that stuff got things to unscrew that otherwise would have twisted off..

I have good luck with WD-40 too,despite those who insist it sucks as a penetrant and was invented to displace moisture,my friend who runs an auto repair shop has tried everything too,but likes WD-40 the best..

I only tried P-B Blaster once and was not impressed,and it was not cheap!..in my opinion diesel fuel & gas mixed 50-50 worked as well or better,and I now use mostly used ATF I get from my friends drain bucket when he does a transmission swap or filter change,with some other solvent added to thin it out some..I've used acetone,laquer thinner,mineral spirits,gasoline,turpentine ,and liquid carb cleaner ,all seem to work equally well..

I have tried used hydraulic oil and power steering fluid,those both seemed to work better as far as reducing the amount of torque to unscrew a rusted bolt or nut..

Marvel Mystery oil remains a favorite of mine too,especially for freeing up stuck rings and valves,and un-seizing old engines that are "stuck" after sitting too long..a good soaking with MMO usually gets them to turn again..

I often wonder if the penetrant really does anything though--when you get a rusted bolt off you have doused with whatever your choice of it was,usually you'll see the threads are bone dry still and it may have just been the heat you applied ,then cooling the part off with the oil,that actually broke it free...
My torches are the best "rust buster",its rare you cant get a stuck fastener out with some heating and cooling cycles--but many places a torch cant be used,like on gas tank strap bolts..


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post #18 of 24 Old 04-18-2019, 12:56 PM
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Re: ATF and Acetone mixture ratio?

WD-40 is not what it used to be.
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post #19 of 24 Old 04-18-2019, 01:44 PM
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Re: ATF and Acetone mixture ratio?

I have 4 WD-spray bottles filled with mostly diesel and some oil.Everything threaded, within 8 ft.,gets shot,rusted or not.Also shoot wasp nests with mix.All flights are grounded.
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post #20 of 24 Old 04-18-2019, 03:00 PM
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Re: ATF and Acetone mixture ratio?

Interesting video, making a good comparison

https://www.dailymotion.com/video/x6hyi5p
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post #21 of 24 Old 04-19-2019, 10:53 AM
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Re: ATF and Acetone mixture ratio?

Another good product I forgot about was Mopar "Heat Riser Lube" ,but I haven't seen any around in years--it had graphite in with a oil and that stuff worked for me often when nothing else did..smelled like kerosene..

I used to have a friend that was a mechanic at the Dodge dealership nearby,he used to get a can of that stuff,brake cleaner,and various other chemicals when he'd do a job on a customers car--often he'd only use a small amount of it,next thing he knew,he had 30+ cans cluttering up his tool box and work bench ,so he'd give some away to me and a few other guys..
Chrysler still sells a rust penetrant but the can looks different and doesn't say if its a heat riser lube,it may not be the same thing--or maybe heat risers went out 25 years ago ?..Only thing I've seen similar to that stuff is the lubricant you can buy for locks that has graphite in it..


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post #22 of 24 Old 04-19-2019, 12:59 PM
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Re: ATF and Acetone mixture ratio?

Since most my stuff is salvaged . This will handy to have around if it works as well as they say. Going to give it a try . Thanks for the heads up .
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post #23 of 24 Old 04-19-2019, 08:40 PM
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Re: ATF and Acetone mixture ratio?

Ronson lighter fluid will penetrate rust but doesn't lubricate. I've heard it will break bolts and nuts lose.
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post #24 of 24 Old 05-02-2019, 01:09 PM
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Re: ATF and Acetone mixture ratio?

Has anyone tried Justice Brothers JB 80?

https://www.vehicleservicepros.com/v...80-lubrication

I just happened to see it at Menards and have never heard of it. Apparently, the Justice Brothers go way back in hot rod history.

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