Any of you all run 'snake oil' oil additives?

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DerickE

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Indianapolis Suburbs
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2019
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6.4L Gasser
When I bought my 2007 Suburban 2500, I feel like it had been neglected for a good long time prior. It had some wicked lifter tick, and through the use of various products (some right after the other), I feel like I mitigated lifter issues, and brought the motor back to a 'better' place. When I sold it, it had 202k on it, and I feel like I could have driven it cross country if I wanted to.

When I started working on that motor, I used so much stuff. And some of it I used so rapidly that I never really knew if it did anything useful. After the initial batch of various products, I ran a quart of marvel mystery oil, and then synthetic supertech oil, at 5k oil changes. The chatter dropped to nil, and it was super smooth at that point.

With this 6.4 using 0w-40, I feel like I shouldn't really thin it out any more than it is....but I thought about doing the seafoam treatment with 1/3 of a bottle in the oil and let that run through a few hundred miles before my next oil change. I obviously dont know maintenace history prior to my purchase, but simple things like that to break up any sludge that might have started up in the motor seems like a decent enough idea with low risk and low investment.
 

pacofortacos

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I prefer Rislone to seafoam if using something like that to clean a motor or gummed lifters.
Reason is, if it is really sludged and you get too much to come loose and into the oil pan too quickly it can restrict or plug the oil pickup tube - I have seen oil pans that bad.
Rislone is long slow cleaning as it is just replacing one quart of oil every oil change for a few oil changes.

0w-40 isn't that thin when hot (depending on brand it might be a thin 40 weight and close to a heavy 30 but still decent) and you want it to flow easily when cold.

You could always pull a valve cover and get an overall idea on how sludged or not that the motor is.
 

joshuaeb09

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There are only really 3 oil additives I'd use these days depending on what I was trying to accomplish.

HSS Stiction Eliminator - This stuff works great for sticking HEUI injectors, think older powerstrokes, but I wouldn't hesitate to use it to help "clean up" and engine that's been neglected and has some sludge build up.
HSS FR3 - Has the friction reducer additive from Stiction Eliminator and I've been happy with it. It seems to help "smooth" out engines where once might not be able to use high levels of traditional AW additives due to worry about poising emissions components. I've played with putting a small amount into Diffs and T-Cases, it does seem to drop temps a few degrees if you laser gun them. Haven't seen any ill effects from doing this.
Lubeguard Biotech - This can help boost AW additives in the oil. There have been several discussions in the 4th gen Oil thread about it as well as oil additive packages. When I owned Hemi's I would add it if I was using up bulk PP, PUP, or the Castrol Euro Spec 5W40 I would run when I couldn't get my hands on Redline or I had access to it cheap.
 

68PowerWagon

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If they have been using the correct oil, Penzoil or Mopar which I have been told is still Penzoil, it shouldn't be gummed up unless they never changed the oil. They use detergents that keep it clean. I have seen the inside of a motors that have used nothing but Penzoil & they look very good. There might be better oils out there but this is what Chrysler highly recommends. 6.4 has special lifters that need good clean oil or you will take them & the cam out.
 
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