Upper cylinder lubricant which best brand?

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Jul 14, 2020
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The fuel system does not need to be lubricated.
There seem it be a large enough number of people on here and other sites using TCW3 that have before and after numbers for fuel economy showing that it helped, that I'm currently trying it. They could all be lying about it to prove their point, I don't know, but enough people I figured it was worth trying at 1:640 ratio. My driving habits are not steady enough for me to get any conclusive before and after results.
 
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Dec 26, 2005
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There seem it be a large enough number of people on here and other sites using TCW3 that have before and after numbers for fuel economy showing that it helped, that I'm currently trying it. They could all be lying about it to prove their point, I don't know, but enough people I figured it was worth trying at 1:640 ratio. My driving habits are not steady enough for me to get any conclusive before and after results.
It's not just you, it is impossible for anyone. To start with the energy density of the gasoline varies even at the same station. Then add on the myriad of other variables in everyday driving and anything the "UCL" does or does not do is deep in the noise.
 
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It's not just you, it is impossible for anyone. To start with the energy density of the gasoline varies even at the same station. Then add on the myriad of other variables in everyday driving and anything the "UCL" does or does not do is deep in the noise.
I don't disagree with that...but are you saying that an upper cylinder "lubricant" does not "lubricate" anything meaningful?
 
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CleanSump

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Is there a study by a reputable third party, not an upper cylinder lubrican't manufacturer, that there is an actual problem that needs "fixing" with any of these additives?
I thought not.
 
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Jul 12, 2012
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What is it exactly in the upper cylinder that isn’t being lubricated and needs this additive to do so? How am I headed to well over 300k on my vehicles and one over 460k and never used it? What am I missing?
You are missing the pleasure of saying my engine lasted 460k because of running upper cylinder oil.
 
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Oct 8, 2022
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Looks to be a 2 stroke oil

I can't wait to try this out once my tank needs a refill!

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