PB Blaster is not the King
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Hotshot
Joined: Jan 2008
Posts: 13,144
Likes: 11
From: Rochdale MA
PB Blaster is not the King
I found this thread in the GA forum.
https://www.ford-trucks.com/forums/8...se-winner.html
It seems that a 50 50 mix of ATF and Acetone is the best for removing rusted bolts. I am very curious about this where as the salt from the roads here does a number on the under carriages of our trucks here. I am going to mix up a batch to use next time I have some wrenching to do. Any one else want to play mad scientist and post up the results?
https://www.ford-trucks.com/forums/8...se-winner.html
It seems that a 50 50 mix of ATF and Acetone is the best for removing rusted bolts. I am very curious about this where as the salt from the roads here does a number on the under carriages of our trucks here. I am going to mix up a batch to use next time I have some wrenching to do. Any one else want to play mad scientist and post up the results?
Cargo Master
Joined: Oct 2008
Posts: 3,330
Likes: 13
From: Eaton, CO
Never heard of the ATF trick. I'd give it a shot.
When I lived in VT & NH, I'd always oil undercoat my vehicles and I'd spray my folks vehicles too. Just use bar and chain lube and mix it with a little used motor oil. Then spray underneath the truck. We used an air compressor syphon sprayer. It works great. After you spray, start the truck to warm up the exhaust and get the oil off of it, then take it down a dirt road. Just don't wash under the truck all winter. Come spring time, spray it off.
When I lived in VT & NH, I'd always oil undercoat my vehicles and I'd spray my folks vehicles too. Just use bar and chain lube and mix it with a little used motor oil. Then spray underneath the truck. We used an air compressor syphon sprayer. It works great. After you spray, start the truck to warm up the exhaust and get the oil off of it, then take it down a dirt road. Just don't wash under the truck all winter. Come spring time, spray it off.
Posting Guru
Joined: Feb 2007
Posts: 1,244
Likes: 1
From: North Cackalacky
Never heard of the ATF trick. I'd give it a shot.
When I lived in VT & NH, I'd always oil undercoat my vehicles and I'd spray my folks vehicles too. Just use bar and chain lube and mix it with a little used motor oil. Then spray underneath the truck. We used an air compressor syphon sprayer. It works great. After you spray, start the truck to warm up the exhaust and get the oil off of it, then take it down a dirt road. Just don't wash under the truck all winter. Come spring time, spray it off.
When I lived in VT & NH, I'd always oil undercoat my vehicles and I'd spray my folks vehicles too. Just use bar and chain lube and mix it with a little used motor oil. Then spray underneath the truck. We used an air compressor syphon sprayer. It works great. After you spray, start the truck to warm up the exhaust and get the oil off of it, then take it down a dirt road. Just don't wash under the truck all winter. Come spring time, spray it off.
A friend of mine uses his old motor oil and sprays under his trucks and campers. He spends a lot of time at the beach and none of his stuff has any rust on them.
Posting Guru
Joined: Sep 2005
Posts: 2,476
Likes: 2
From: Monroe Michigan
I found this thread in the GA forum.
https://www.ford-trucks.com/forums/8...se-winner.html
It seems that a 50 50 mix of ATF and Acetone is the best for removing rusted bolts. I am very curious about this where as the salt from the roads here does a number on the under carriages of our trucks here. I am going to mix up a batch to use next time I have some wrenching to do. Any one else want to play mad scientist and post up the results?
https://www.ford-trucks.com/forums/8...se-winner.html
It seems that a 50 50 mix of ATF and Acetone is the best for removing rusted bolts. I am very curious about this where as the salt from the roads here does a number on the under carriages of our trucks here. I am going to mix up a batch to use next time I have some wrenching to do. Any one else want to play mad scientist and post up the results?
I will mix some up and try it at work, also drop some off to my buddy who is a mechanic, let you know what I find.
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Elder User
Joined: Oct 2007
Posts: 672
Likes: 0
From: NJ
My truck's undercarriage is already rusted pretty bad. PO put some crappy undercoating on and al it did was trap moisture and flake off. Great. Is there anything that can be done at this point? I haven't been losing sleep over it, is it something to worry about?
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Posting Guru
Joined: Feb 2007
Posts: 1,244
Likes: 1
From: North Cackalacky
Zep sells a product called Zep Preserve that puts PB blaster to shame. I dont think its sold in stores.
indsupply.com - Industrial Supply
On a quick search this was all I found. It works great. I've used it for years.
Posting Guru
Joined: Jul 2004
Posts: 1,777
Likes: 0
From: Buckingham, IA
I have used the mix using synthetic ATF and it works well. Haven't used it on extremely rusted bolts but it seemed to work quite quickly on what I had to loosen. Here is a table that I copied from a farm forum about it.
----------------------
April 2007 issue of Machinist Workshop Magazine. They arranged a subjective test of all of the popular penetrants with the control being the torque required to remove the nut from a scientifically rusted environment.
Penetrant: Average Load:
none 516 ft lbs
WD40 238
PB Blaster 214
Liquid Wrench 127
Kano Kroil 106
ATF-Acetone mix 53
Some believe that synthetic ATF improves the mix still further.
------------------------
That had to be one badly rusted or very large nut to require 516 ft/lb to loosen it. Most bolts would have twisted apart before reaching that torque.
----------------------
April 2007 issue of Machinist Workshop Magazine. They arranged a subjective test of all of the popular penetrants with the control being the torque required to remove the nut from a scientifically rusted environment.
Penetrant: Average Load:
none 516 ft lbs
WD40 238
PB Blaster 214
Liquid Wrench 127
Kano Kroil 106
ATF-Acetone mix 53
Some believe that synthetic ATF improves the mix still further.
------------------------
That had to be one badly rusted or very large nut to require 516 ft/lb to loosen it. Most bolts would have twisted apart before reaching that torque.
Cargo Master
Joined: Oct 2008
Posts: 3,330
Likes: 13
From: Eaton, CO
Is that ATF mix dangerous to any rubber or plastic part that may be close to the rusted bolt or nut?
It works great, especially in high salt areas.
It works great, especially in high salt areas.
