Joe Frickin' Friday Posted June 25, 2018 Share Posted June 25, 2018 Video Summary: A guy carries out a pretty thorough test of several different brands of penetrating oils. Among other things, he's got a bunch of lug nut/bolt sets snugged up and deliberately/evenly rusted, and he treats four at a time with different brands of fluid to see how well they work to reduce the breakaway torque. He's also got an actual penetrating test using a bolt rusted into a block of acrylic, so you can see how far down the threads the fluid actually penetrates. 11 minutes long, but you can fast forward through some parts of it; just watch the little preview window as you're fast forwarding through, so you don't miss the interesting parts. Link to comment
greiffster Posted June 25, 2018 Share Posted June 25, 2018 Interesting video. I went back and watched the original video as well. I've been using PB Blaster forever. mmmm. Very modest results as far as reduced torque. And that assumes a vertical bolt that would allow for more product penetration. How often does that not happen? Next time I'm going straight for the torch. Link to comment
elkroeger Posted June 26, 2018 Share Posted June 26, 2018 I love it when people do science and essentially publish their results without any statistical analysis or peer review. Where's the non-oiled control group? He's off to a good start though. I'd like to see how he deliberately rusts those nuts together. Link to comment
Antimatter Posted June 26, 2018 Share Posted June 26, 2018 I was struck by just how little difference any of the fluids made. I'd like to see a comparison of the best fluid vs my favorite bolt loosener; heat. Another one that might be interesting is an old-timey fluid - oil of wintergreen. When I first started working on bikes, that was one part of a two-step process that was recommended to me by an older mechanic. Apply oil of wintergreen and let it sit overnight, then hit it with a plumber's torch the next morning. But I have no idea if that worked, or simply added spirit to my bicep torque wrench. Link to comment
Joe Frickin' Friday Posted June 26, 2018 Author Share Posted June 26, 2018 Where's the non-oiled control group? :confused: At 1:29? Link to comment
Skywagon Posted June 26, 2018 Share Posted June 26, 2018 Thanks...Interesting video....personally I use Mouse Milk for dissimilar metals and Kroil for steel on steel....If I could only use one, it would be Mouse Milk. Link to comment
elkroeger Posted June 27, 2018 Share Posted June 27, 2018 (edited) Where's the non-oiled control group? :confused: At 1:29? Doh! I am an idiot. In my defense, it was early in the morning, and I hadn't had my coffee yet. Or maybe it was late in the afternoon, and I'd had a couple beers. I dunno. ;-) Edited June 27, 2018 by elkroeger Link to comment
lkraus Posted June 27, 2018 Share Posted June 27, 2018 (edited) I found the first video ( ) to be very interesting. Liquid Wrench actually lowered the break-free torque to less than the initial, pre-rust, torque of 100 ft-lbs. Edited June 27, 2018 by lkraus Link to comment
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