Are oil addiitves worth it?

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wondering if oil additives are really worth it, like an additive with lots of MOly,, or zinc? i had read, that too much additives, can cause hi wear numbers, according to oil analysis. Is this true?
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Exactly what do you hope to accomplish with additives. Unless you know for certain that an oil you are using is lacking, then you also have to know that the additive will correct or improve it. If you change often (you fill in the OCI...), then what is to be gained. Todays oils are very robust. When is the last time we heard of an engine failing because of today's oils? save your money.
 
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wondering if oil additives are really worth it, like an additive with lots of MOly,, or zinc? i had read, that too much additives, can cause hi wear numbers, according to oil analysis. Is this true?
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I read an article that said sometimes an oil will actually oxidize quicker if there is too much of certain additives in oil. Can anyone elaborate on this?
 
I prefer to buy the best oil and not use additives. Most oil and car manufacturers recommend against the use of oil additives. Sometimes they can make things worse. Just ask yourself if you know more than the chemists who formulated the oils. Now, I do like fuel additives as gasoline is the same except for the minimal additives the gasoline companies put in. They have to put the minimal in as they are required to meet certain fuel requirements and have to be cost competitive.
 
I'd feel a lot better choosing the right oil that works with my engine rather than trying to mix it in the crankcase. I say if the oil doesn't suit the application then switch oils.
 
well, im lookng at stuff, like valvoline maxlife oil additive, or NAPA also makes an oil additive. Things like that. Ive read VERY good reports on these things! But wa curious, to know if they can also accelerate bearing and engine wear?
 
I think it depends on what you are trying to do with an oil additive or supplement. If you want to clean an engine, you can think in terms of Auto-RX, or Neutra, or Amsoil engine flush, or Lubegard engine flush. Some product that has a good reputation.

If you want to beef up the additives than maybe something like Valvoline engine oil supplement.

It is not necessary to use additives at all if you are using a good oil and a reasonable time/mileage oil change interval, but there are times that additives help.

There are some additives I personally would stay away from, like Slick50.
 
Due to various laws and specifications, motor oils have certain amounts of additives. Some newer oils have less additives than before, supposedly relying on other types and better base stocks. They are conserving costs at every opportunity, in any case.
For special needs, more moly and zinc could be an engine saver [esp. stressed valvetrains].
Helping out with a few more additives can help with normal wear, and keep things clean, also.
I use a little VSOT and LC20 in my oil. I'll never know exactly how much they helped, however.
 
There was a member here who did a lot of UOAs and said he consistently saw reduction in iron levels when using one ounce of VSOT per quart of oil.
 
Recently I added some Tufoil additive/engine treatment in the engine and on my gearbox. Believe it or not but the car feels more “smooth” and acceleration of the car feels quicker. I think this Tufoil has reduced some serious amount of friction in the engine and in the gear box. This effect of this Tufoil additive/engine treatment has surprised me (in a good way).
 
Still no consumption at all with my Chevy Colorado 4X4 since introducing it to VSOT at 3K. I use 1-1/2oz per quart of oil. That means nine ounces in my six quart sump.
 
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