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Why dilute motor oil for chain lube?

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Why dilute motor oil for chain lube?

Old 07-16-16, 06:46 PM
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Originally Posted by Rowan
Sorry, I am not trying to be rude here, but the emboldened part is what makes me laugh every time I read about people cleaning chains. It doesn't matter how shiny it is on the outside, it's still crap underneath unless you've done the job properly.

The essential area to get to in chains is between the pins and rollers. If you don't get the gunk out of there, you will have a chain that will still feel gritty as it runs through the derailleur and gears, and will continue to wear as though you haven't cleaned it.

I have always liked Sheldon Brown's way of cleaning chains, although instead of using a Pepsi bottle, I use an old plastic yogurt container with a nice big tight-fitting lid. And I have switched to heavy duty engine degreaser as the solvent rather than diesel. A cosmetic clean-up with a brush in a solvent bath afterwards, then rinsing off the solvent with boiling water before hanging up to dry results in a really clean chain that shows no sign of grit remaining between the pins and rollers -- but a lot in the bottom of the yogurt container.

As to lube, it doesn't really matter. I am currently using Tri-Flow and it's keeping the chains quite clean and seems to have a good workable period. I did use Mobil 1 synthetic for a long time, undiluted with mineral spirits, but it produced dirty chains, despite lasting many hundreds of kilometres between applications.

I haven't had much satisfaction with the totally wax-based lubes such as White Lightning and with Boeshield T9 and Rock and Roll Gold.
Hey I know that you're right LOL. Don't ask me why I wrote it up that way. I guess I was just trying to say that I cleaned my chain. I was hoping that the liberal dose of brake cleaner would penetrate into the pins and bushings and flush or clean out any grit that was in there. I have read about using WD-40 to clean them but I was afraid that then the WD-40 would be stuck inside there and I didn't want it interfering with any adhesion properties of the bar oil. You know how silicone doesn't stick to a wet surface. I will credit you.......You called me on that one.
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Old 07-16-16, 07:55 PM
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Originally Posted by trail_monkey
Hey I know that you're right LOL. Don't ask me why I wrote it up that way. I guess I was just trying to say that I cleaned my chain. I was hoping that the liberal dose of brake cleaner would penetrate into the pins and bushings and flush or clean out any grit that was in there. I have read about using WD-40 to clean them but I was afraid that then the WD-40 would be stuck inside there and I didn't want it interfering with any adhesion properties of the bar oil. You know how silicone doesn't stick to a wet surface. I will credit you.......You called me on that one.
It's all good. And I got a laugh
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Old 07-17-16, 06:45 AM
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I use the same 5w/20 Mobile 1 oil that I use in my truck. I do not dilute it, no need.
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Old 07-17-16, 07:55 AM
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Originally Posted by AnkleWork
Very little of what gets posted in this forum makes any sense at all. That's doubly true when the subject is chain lube. For most posters, it's a fetish.
^this.

for all of the time and effort some spend on tedious OCD cleaning procedures and blending lube concoctions, they never seem to report any significant improvements in chain service life.

guess the big payoff is that the chain is 'shiny' for a minute or two.
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Old 07-17-16, 08:54 AM
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Originally Posted by FullGas
^this.

for all of the time and effort some spend on tedious OCD cleaning procedures and blending lube concoctions, they never seem to report any significant improvements in chain service life.

guess the big payoff is that the chain is 'shiny' for a minute or two.
Well here's my situation, I really am not concerned about getting ten or fifteen thousand miles out of a bike chain. I run Sram chains and I can buy them for under $20 at my bike shop or online whichever is faster. I'm not going to be too freaked out about replacing an $18 chain even if I do it once a year on all my bikes. It's not a major expense and to a degree chains are wear and tear throw away items anyways. My main issue is wearing out the rest of the drivetrain such as my expensive aluminum chain rings and cassettes. And the reason I looked into Homebrew chain lube is basically two reasons. One I enjoyed do-it-yourself kind of projects and two I live an hour and a half from my bike shop so I don't like having to remember to pick chain lube when I'm passing by when I can simply mix some up from stuff that I already have in my garage. The second reason is the primary reason that I'm doing homemade chain lube.
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Old 07-17-16, 09:45 AM
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Single speed /IGH drive train and the chain can run in a fully enclosed Oil Bath.

But you would have to drain the chain case when you have to mend a flat tire .
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Old 07-17-16, 09:53 AM
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Originally Posted by FullGas
^this.

for all of the time and effort some spend on tedious OCD cleaning procedures and blending lube concoctions, they never seem to report any significant improvements in chain service life.

guess the big payoff is that the chain is 'shiny' for a minute or two.
Some frequent posters here never ride. It would be impossible. Between their numerous long-winded posts, their arcane bike rituals and over focusing on irrelevant minutia, there's no time to ride.
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Old 07-17-16, 10:12 AM
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One of those Plastic Chain-cleaner bath-tank-brush things will, probably, not dissolve
if you put 0 weight Oil in it and use it every Day . .
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Old 07-18-16, 06:13 PM
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For what little bit it's worth, I've used motor oil 1:2 with plain old mineral spirits for a long time with great results and long chain life. Last time I used 80w90 gear lube, the stuff used in rear ends and transmissions, with the same 1:2 ratio. So far it seems to work very well. Silent chains and long service intervals.
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