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can i put high mileage oil in a low mileage car

by Randal Mraz I Published 4 years ago Updated 2 years ago

So, using a high mileage oil in a low mileage vehicle will not be much beneficial indeed. Rather the extra money you need to pay for a high mileage oil will go totally wasted. However, a high mileage oil can work as a preventive measure for decreasing an engine’s wear and tear.

High mileage oil also works to minimize leaks and oil seepage. While you could use high mileage oil in a younger car without harming it, the issues that high mileage oil addresses usually don't appear in vehicles with fewer than 75,000 miles.Jan 14, 2019

Full Answer

Can you put high mileage oil in a new car?

While you could use high mileage oil in a younger car without harming it, the issues that high mileage oil addresses usually don't appear in vehicles with fewer than 75,000 miles. Click to see full answer. Keeping this in view, will high mileage oil hurt a new car? High-mileage motor oil doesn't hurt and it could prevent leaks from starting.

What is high mileage oil?

High mileage oil contains film strengthening additives to improve ring sealing and oil pressure. And some brands also include seal conditioners to soften stiff seals, as well as extra anti-oxidant, anti-corrosion, anti-wear, and detergent additives to handle the additional crud in the crankcase.

Can you put high mileage in an engine that doesn't need it?

Once you put high mileage in an engine that doesn't need it, you have degraded the seals and have to keep using it or else the seals will get worse faster. There are many many vehicles on the road over 200K mi that have no problems and don't run more expensive high mileage oil.

How do you know when to switch to high mileage oil?

The first is to switch when your vehicle reaches 75,000 miles. The second is to switch if your older vehicle is beginning to show signs of engine loosening. If you notice an oil drip, that's a sign you should start using high-mileage engine oil. Is there a difference between high mileage oil and regular oil?

Will high mileage oil hurt a new car?

Using a high-mileage oil in a new vehicle would be ill-advised, since no manufacturer recommends this type of oil for a new vehicle. Would it harm your engine? Most likely not, but it would be better to adhere to what is specified in the owner's manual, at least until the warranty has expired.

Is it OK to mix high mileage oil with regular?

Yes. It won't harm your engine to mix, for example, Quaker State® motor oil with Pennzoil, as long as the oil you use is the weight (or viscosity) recommended in your vehicle owner's manual.

Does high mileage oil do anything?

High-mileage oils have ingredients to take care of older engines, like conditioners, seal swells, antioxidants, detergents and wear or friction additives. Typically they use a viscosity modifier that is durable and won't lose viscosity very easily.

Should I use high mileage oil or synthetic?

As a rule of thumb, most new cars require synthetic oil. Older cars generally run well with conventional oil, unless your vehicle has more than 75,000 miles on it, in which case high-mileage oil is recommended.

Is full synthetic and high mileage oil the same?

Myth: Full synthetic oil is not good for high mileage cars or older vehicles. The myth is rooted in the idea that synthetic oil is “slipperier”—lower in viscosity, or not as compatible with seals and will therefore leak or leak more in places conventional oil might not. Again, completely untrue.

What is the difference between high mileage oil and full synthetic oil?

High Mileage with MaxLife™ Technology is created using a blend of natural and synthetic oils as its foundation, while Full synthetic High Mileage with Maxlife™ Technology uses an even more robust base of entirely synthetic oil. Either way, they contain similar additives to address the problems related to wear.

Can you mix full synthetic and high mileage full synthetic?

Though mixing different synthetic oils does not harm the engine, you must not do it regularly, since the additives of different synthetic oils can interact and it can destabilize the mixture.

What's the difference between high mileage oil and synthetic?

High Mileage with MaxLife™ Technology is created using a blend of natural and synthetic oils as its foundation, while Full synthetic High Mileage with Maxlife™ Technology uses an even more robust base of entirely synthetic oil. Either way, they contain similar additives to address the problems related to wear.

Will high mileage oil cause leaks?

High-mileage motor oil doesn't hurt and it could prevent leaks from starting. Most vehicle manufacturers would say it's normal for an engine to consume some oil between oil changes.

Is Thicker oil better for high mileage cars?

The slightly thicker oil film from the heavier base weight oil - 10W - can help protect worn engine bearings as well. As long as you're not hearing knocking or serious mechanical noises from the engine, the heavier oil should buy you many more miles of service from your vehicle.

Can I put high mileage oil in a low mileage car? - AskingLot.com

High mileage oil also works to minimize leaks and oil seepage. While you could use high mileage oil in a younger car without harming it, the issues that high mileage oil addresses usually don't appear in vehicles with fewer than 75,000 miles.

Is it OK to use high mileage oil in a new car?

Zhang said “it's really good for high-mileage engines… for when vehicle performance is deteriorating,” but it can be used in brand-new cars as well. Added anti-wear and detergent compounds are just as helpful in a factory-fresh vehicle as they are in one that's got 75,000 miles on the clock.

Is High-Mileage Oil Worth It? An In-Depth Discussion

Dear Valued Customers, The Covid-19 situation has affected the logistics greatly, which results in delayed bookings & shipments. Nonetheless, CFJ is trying our best to secure spaces on the vessels as soon as possible & will keep you posted. We sincerely apologize for any inconveniences, and thank you for your understanding along with the cooperation.

Is High Mileage Oil Worth It? - CARFAX

Photo Credit: Getty / Phynart Studio So, Is High Mileage Oil Worth the Money? Though it provides an added layer of protection for older cars, some sources suggest a specific high mileage blend might not be worth the extra money if a car’s engine is not already leaking or is burning oil excessively.If that’s the case, choosing a higher viscosity (thicker) grade conventional oil and/or using ...

What is the mileage of Valvoline synthetic 5W-30?

Any drawbacks? The oil in question is Valvoline Synthetic 5W-30 High Mileage (for engines with over 75,000 miles). If your engine does not need any benefits that high mileage oils offer, I wouldn't use it. Don't attempt to fix things that aren't in-need of fixing.

Does minaral oil matter?

full or half synth. or even minaral oil doesn't matter. The difference with oils is the fact that a full synthetic is stronger and will last longer, a minaral for example will have to be replaced muchhh sooner. Doesn't really have something to do with low or high mileage engine.

Is Valvoline oil good for a new car?

According Valvoline, it's absolutely fine. Some oils, Pennzo il for example, have chosen not to have their HM oils certified for certain new car specs such as dexos or Chrysler MS-6395. If you still have a car under warranty, this should be taken into consideration

What is high mileage oil?

The high-mileage oil is designed so that if you're doing high driving miles in a relatively short period of time, you basically extend the mileage changing times. Meaning, if say you do 6k miles in 6mos, you change the oil at the 6mos mark. If you did 6k miles in 3mos, you would change the oil at the 3mos mark.

Why does oil have white swirls?

Within two weeks, the oil had the white swirls in it because of water accumulation from not being burned off due to the low use, stop & go use. I switched back to Mobil-1 and have no water accumulation due to the low usage, no burn-off.

Why does my car mark its territory?

Having a car or truck that “marks its territory,” so to speak, is often the result of seal degradation. Over time the rubber components inside a powerplant can become brittle and shrink; small cracks can even form. All of this decay can lead to seepage and leaks. “Most of the high-mileage oil will have a seal conditioner,” Zhang said.

When did Valvoline MaxLife come out?

He also noted that Valvoline introduced its MaxLife product range around the year 1999 or 2000, so they’ve been on the market now for about a decade and a half. With elastomers, a fancy name for the rubber materials seals are made from, Zhang said over time certain chemical components can leach out of them.

Is synthetic oil safe for an engine?

Generally speaking, it’s safe to run synthetic oil in an older or high milage engine. That’s not what you might read online though. And there’s a reason for that. It used to be true that synthetic oil wasn’t good for older engines, namely because the additives in synthetic oils can damage the seals and gaskets.

Does Valvoline MaxLife have a volatility rating?

Valvoline’s MaxLife product has a lower volatility rating, which means it’s less likely to burn in the first place.

Why high-mileage oil?

Before we dive into the details about “the best oil for high mileage cars,” it is important that we first understand whether we should go with high mileage oil or not.

The 10-best oil for high mileage cars: A 2021-2022 review

If you search for and oil for high mileage cars, you'll find a long list of overwhelming products. While it's great to have many products to choose from, it can get a little overwhelming and challenging for inexperienced car drivers to determine what's best for their vehicles.

What are the different types of motor oils?

When searching for the best oil for high mileage cars, you must give yourself an idea about the different types of oils you might experience in the market. There are four common types of engine oil that you might encounter:

Should I choose synthetic or high-mileage oil?

Many of our readers reach out to us, wondering whether they should go with synthetic or high-mileage oil. The short answer is it all depends and differs on a case-by-case basis.

Conclusion

Motor oil is one of the most important fluids in any vehicle, let alone high mileage cars. However, choosing the right motor oil for your high mileage vehicle can be a little challenging, especially with the high number of products available in the market.

What is conventional oil?

Conventional oil is made using crude oil that is refined through the use of a process that thins out the oil to the desired viscosity. In some cases, there are also additives put into conventional oil, like zinc, that are designed to make it more effective when you put it into your car.

How is synthetic oil made?

It’s often manufactured by taking a byproduct of crude oil and combining it with other chemicals and materials that results in synthetic oil in the end.

Can you switch to synthetic oil in a high mileage car?

In a perfect world, you’ll go about switching to synthetic oil in a high-mileage engine and experience no problems at all. You’ll get to experience everything that synthetic oil has to offer to you, and you’ll find that your car performs better than it has in years. It’ll make switching to synthetic oil in a high-mileage engine well worth it to you.

Can synthetic oil leak from a car?

While it’s rare, there are some older vehicles with high-mileage engines in them that will begin to leak when they have synthetic oil put into them. You should get into the habit of looking out at your driveway to see if you can spot any signs of oil leaking from your car.

Is synthetic oil safe for high mileage?

But there are still some concerns about switching to synthetic oil in a high-mileage engine. The jury is still out on whether or not switching to synthetic oil in a high-mileage engine is as safe as it should be.

Is synthetic oil hard on seals?

The good news is that today’s synthetic oils have evolved a lot and are no longer as hard on the seals in engines as they once were. As long as people put synthetic oil that is the proper weight into their cars, they shouldn’t run into the same problems that people used to.

Is synthetic oil better than conventional oil?

Here are some of the benefits that come along with using synthetic oil over conventional oil: It handles temperature changes better than conventional oil does.

What happens if you use the wrong oil on a high mileage car?

If your high mileage engine has variable valve timing or gasoline direct injection, using the wrong oil can destroy it or at least cause a check engine light. Engines now have variable valve timing (VVT), gasoline direct injection (DI), and turbos that place different demands on oil. For example, DI requires fuel pressure of up to 2,000-psi.

What oil to use instead of high viscosity oil?

Instead of using a higher viscosity oil or an oil stabilizer additive, switch to a high mileage synthetic oil. High mileage oil contains film strengthening additives to improve ring sealing and oil pressure.

How many fuel pumps does a car have?

So your car has two fuel pumps—one in the tank to deliver fuel to the engine pump and a second high pressure pump. The high pressure pump runs off the triangular lobe on the camshaft. If you use the wrong oil-either the wrong viscosity or the wrong service rating- you can damage the camshaft. And when it comes to turbos, you need an oil ...

Does synthetic oil prolong engine life?

It flows faster at startup and builds pressure more rapidly. So it reduces cold startup wear and actually prolongs the life of your engine. The extra anti-wear additives offer greater protection against further wear. But switch to synthetic oil for the prolonged engine life benefits, not extended oil changes.

Can you change synthetic oil at the same time as conventional oil?

Because you STILL have to change synthetic oil at the same intervals as conventional oil. You cannot override the car makers recommendations. So it’s going to cost more. But your engine will last longer.

Does oil foam affect engine performance?

That’ll set a check engine light and affect engine performance and emissions. AND, because it’s pulsed, the oil can develop air pocket and foam. Foam doesn’t cool metal – it actually insulates, so the oil runs hotter and degrades faster.

Can you get an oil change without knowing?

NOBODY can get you an oil change interval without knowing that information. Frequent cold starts dump raw fuel into the crankcase, diluting the oil and causing more cold start-up wear. Unless you drive the car for long periods after a cold start-up, that excess fuel and water will form sludge.

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