Lucas Pure Synthetic Oil Stabilizer

To be clear, this is a product that I rarely use. I do use it with good cause during the hot climate if I still had winter oil in an engine that cares one way or the other, but it's not time to change the oil. It also helps in the winter. From a oil analysis from Blackstone labs, I believe it doesn't change the viscosity, and may just be additives. It's a tough call for me to say when I've only done one oil analysis, but while that's not a controlled scientific study, in the small amounts I use it, I get quieter engines in cold and hot, and my viscosity is still right on the money. See Pats comments below. Now bring on the science! :D I wasn't really that far off. :)Show more

Engines are quieter on startup. Especially noticeable in the cold. Good use is also when the engine has gotten too hot in the summer the engine seems like it's running on too thin of an oil (not talking overheating, just that the oil is thinner than it should be in humid, hot situations). So for cold or hot, it keeps the engine running smoother. I like smooth. I like my engines to last the maximum they can. Other than keeping the transmission alive, these are the most expensive things to not mess around on in taking care of your vehicle.

Truly, I only use a few oz. or less on my Chevy Prizm and twice as much on my 2004 Nissan Frontier, and like I said, most years I won't need it, but as the "Corolla's" engine aged, I found myself using Lucas Pure Synthetic more in the summer and winter to help. My truck is pretty sensitive to it being colder and I feel a lot better about cold start ups even outside of winter.

Due to it's nature of probably being mostly additives, I highly don't recommend using this product on a motorcycle with a wet clutch. Extra additives is exactly what you're avoiding for wet clutches. That's why you don't use synthetic on many motorcycles. Synthetics have a lot more oil additives, which make for slipping, or a little later grab as you release your clutch.

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