Question: Is The High Mileage Oil Worth It?

Is 10w30 better for high mileage?

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..

What happens if you don’t change your oil for 10000 miles?

Depending on the vehicle and oil, the time between oil changes could range from 3,000 to 10,000 miles. But what happens if you decide to skip oil change? The end result is that your engine won’t last as long as it could. It might also mean an extravagant bill for an engine replacement or a sooner-than-expected rebuild.

Is 5w30 good for high mileage?

Furthermore, high-mileage 5W-30 motor oil is specially formulated for late model vehicles or newer vehicles with over 75,000 miles/120,000 kilometers. High mileage motor oil, with its unique additives and formulation, helps to reduce oil burn-off, and helps prevent oil leaks that may occur in older engines.

Does high mileage oil make a difference?

High-mileage oils have ingredients to take care of older engines, like conditioners, seal swells, antioxidants, detergents and wear or friction additives. … The higher-mileage oils are formulated with seal conditioners that increase flexibility and restore shape, which can help prevent leaks in the long run.

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.

Can you go back to regular oil after using high mileage oil?

You can always go back to regular oil after using the High Mileage products.

Is high mileage oil thicker or thinner?

A: Yes. This is a practical method to improve oil pressure in an older, high-mileage engine. The slightly thicker oil film from the heavier base weight oil — 10W — can help protect worn engine bearings as well.

What happens if I put 10w40 instead of 5w30?

Originally Answered: What happens to engine if I use 10W40 instead of 5W30 (Manufacture recommended)? … If it is a modern engine damage will occur gradually . 10W40 is too thick and won’t flow easily when cold.

Why is high mileage oil bad?

High mileage oils contain seal conditioners and additives that cause o-rings, gaskets and seals to swell. In some cases, older valve-guide seals in engines may have reduced seepage. This can result in lower oil consumption.

Which oil is thicker 5w30 or 10w40?

A 10w-40 motor oil is a thicker oil at startup than a 5w-30 motor oil. Therefore, 10w-40 oil clings to the engine’s moving parts more than the lower viscosity 5w-30 oil.

Is it OK to change oil every 10000 miles?

Many automakers have oil-change intervals at 7,500 or even 10,000 miles and 6 or 12 months for time. … Even if you drive fewer miles each year than your automaker suggests changing the oil (say, 6,000 miles, with suggested oil-change intervals at 7,500 miles), you should still be getting that oil changed twice a year.

Is it bad to put high mileage oil in a low mileage?

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. … High-mileage motor oil doesn’t hurt and it could prevent leaks from starting.

Do you really need to change oil every 5000 miles?

The quick-lube chains usually recommend it be done every three months or 3,000 miles, but many mechanics would tell you that such frequent changes are overkill. Indeed, most car owner’s manuals recommend changing out the oil less frequently, usually after 5,000 or 7,500 miles.

Is it better to get oil change at dealership?

Since an oil change is such a simple job, most dealerships run fairly competitive rates with most independent shops. … As long as you keep your receipts and perform oil changes at recommended intervals, you won’t void your warranty if you go to an independent shop — and you might save some time and a little money.

Can high mileage oil damage an engine?

High-mileage motor oil doesn’t hurt and it could prevent leaks from starting. … In addition to having seal conditioners, high-mileage oils usually boast more detergents designed to clean out sludge inside the engine, plus other additives meant to reduce wear on moving parts.

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

In this respect, synthetic oil is far superior. Conventional oils will thicken in cold weather and thin out when very hot, while the viscosity of synthetic is much more uniform. … High Mileage Oil: Vehicles are lasting longer, and more than 2/3 of the cars on the road have more than 75,000 miles on them.

What is the best high mileage oil?

#1 – Mobile 1 High Mileage Synthetic Oil.#2 – Royal Purple HMX Synthetic Oil.#3 – Mobile Super High Mileage Synthetic Oil.#4 – Castrol GTX High Mileage Synthetic Blend Oil.#5 – Pennzoil High Mileage Synthetic Blend Motor Oil.

Is it OK to mix synthetic oil with regular oil?

Yes. There is no danger mixing synthetic and conventional motor oil. However, conventional oil will detract from the superior performance of synthetic oil and reduce its benefits.