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Old 03-29-2007, 06:37 PM   #1
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Engine Additives?

I was wondering if you guys know if there are any good additives to use for better fe
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Old 03-29-2007, 07:14 PM   #2
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Synlube
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Old 03-29-2007, 07:33 PM   #3
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From what I've been reading, light weight oil will do better than standard weight oil plus some fancy additive. I just paid $15 for 4 quarts of 5w30 "specially formulated" for engines with over 75K miles, and mean to try that out next time I change oil.
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Old 03-29-2007, 08:29 PM   #4
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0w20 is often used, I use 5w20 for availability reasons. Otherwise, wildly varying opinions will be found, and none of them can I give you with any confidence.
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Old 03-29-2007, 08:39 PM   #5
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were talking additives not oil rigt?
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Old 03-30-2007, 07:36 AM   #6
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I use Sea Foam in gas and oil a few times a year to make sure gunk is cleaned out, I'm not sure exactly what is in it, or how well it really works, altho it does seem to help, and doesn't seem to hurt anything.
I'm also used an oil system flush befor putting in full synthetic oil.
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Old 03-30-2007, 07:43 AM   #7
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Other than the lowest viscosity oil you can safely use, I don't think you will find a single reliable source of evidence that anything you put in your engine (or gas tank) will improve FE. (Assuming an engine in good working order.)
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Old 03-30-2007, 12:28 PM   #8
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Quote:
Originally Posted by SVOboy View Post
0w20 is often used, I use 5w20 for availability reasons. Otherwise, wildly varying opinions will be found, and none of them can I give you with any confidence.
My Saturn has 104K and I am using 0W20. In the last couple of thousand miles I haven't used a drop of oil nor have I heard any strange engine noises. :crossed fingers:
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Old 03-30-2007, 04:15 PM   #9
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Quote:
Originally Posted by MetroMPG View Post
Other than the lowest viscosity oil you can safely use, I don't think you will find a single reliable source of evidence that anything you put in your engine (or gas tank) will improve FE. (Assuming an engine in good working order.)
MetroMPG - you seem to be the bearer of a lot of negativity lately - what's up??
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