10130 Pure Synthetic Oil Stabilizer - 1 Quart

This stuff work's very well. Match your synthetics or non. Easy to use. Keeps oil pressure stable on highway. Seems to help work gas mileage. Used with valvoline high mileage. No compatability issues ever. Used for YEAR'S! Extended cold weather protection for dry starts sitting engine or poodle that don't drive frequently. Prices are usually reasonable. American made.

This oil stabilizer has been handy in keeping my engine running smoothly during long road trips. i’ve noticed a slight decrease in oil consumption and more stable performance overall. it’s simple to add and doesn’t interfere with my regular oil changes. definitely a nice upgrade for my car's engine. 🚗

Quality auto lube products from a trusted name, at a good price.

Great product

Certainly, this product has proven to be quite useful on site. It's more affordable online than in stores, which is a nice advantage. We typically use it to lubricate equipment daily, and it allows us to get a good amount of use each time. It's been helpful in keeping our machinery running smoothly during busy days in the forest.

I use Lucas for all of my 4-stroke engines. Increases fuel mileage, and gain some quietness. Keep that engine clean and free of leaks. End seal smoke. Just put it in there

Background: I've been using the "Lucas Heavy Duty Oil Stabilizer" for a few years in my old, high mileage SUV which was used only occasionally for towing a boat and for winter storm driving. It would often sit unused for a month at a time. When started after a long period of no use, the engine would make a horrible, dry, grating, mechanical noise which I knew couldn't be a good thing. So, based solely on manufacturer claims, I started using the heavy duty stabilizer. Much to my pleasant surprise, the nasty gear/bearing noises totally disappeared immediately after my first use of the product and have never returned.Currently: I recently traded in the old SUV on a low mileage, gently used one of a different make. When reading up on my new SUV online, I found out that this particular motor has somewhat of a reputation for a rattling, dry mechanical noise upon cold startup which would last until the engine was warm. It was a sound I heard immediately after the first cold start at home. It wasn't nearly as bad as the sound from the old SUV, but it bothered me none the less. I immediately thought of using the heavy duty oil stabilizer, however, my newer car requires much thinner 5-20W oil, and synthetic oil is highly recommended by the manufacturer. So I bought the "Synthetic Oil Stabilizer" and did a complete oil/filter change and added one quart of the stabilizer. The next day, the engine fired up and didn't even show a hint of the noise I had heard previously. Still no noise 2000 miles later, even after a couple weeks of non-use at a time.When I used the "synthetic oil stabilizer", I noticed it looks and feels totally different than the "heavy duty" stuff. It's thinner, pours easier, and has a clearer, somewhat milky look to it.But does it do EVERYTHING they claim it does? Who knows. But I do know that it eliminated my dry starts in the newer vehicle. I've been tracking gas mileage and haven't really noticed much, if any, difference. But I wouldn't expect much improvement on a type of car that doesn't get great mileage to begin with.Why only 4 stars? The only way to know if the stuff does EVERYTHING they claim, would be to track mileage over a long period of time, do a complete engine tear down, run dyno tests, and compare results with an identical vehicle which didn't get the same oil treatment. Unfortunately, there doesn't seem to be any such tests/comparisons. I think Lucas could do a much better job of proving their claims than they've done up to this point. Until I see some kind of proof with a scientific comparison, or when I tear down my engine at 250,000 miles (which isn't going to happen), 4 stars is the best I can do.However, as I stated, I know it works to eliminate my dry starts. That's worth 4 stars for me.I hope some of this is helpful to you.

Great performance, does all that it claims to do. Legendary Oil Stabilizer, what more to say.

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Been using this product for years it's well worth the money I ad it with every oil change especially with older higher mileage engine's but would recommend start using it anytime

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