Can you mix oil brands of the same weight?

THE ANSWER IS NO!

(Why anyone would even consider doing this in the first place is something we cannot comprehend. But we digress.) Technically, using a grade of oil that's recommended by your car manufacturer is correct. However, if you combine two different brands of motor oil, you could be at risk of damage.

Is it OK to mix oil brands?

Yes, you can safely mix one brand of oil (e.g. Mobil 1) with a different brand (e.g. AMSOIL) or conventional oil with synthetic oil (in fact, that's what a synthetic blend is). Most synthetics today are fully compatible with conventional oils and can safely be mixed.

Can you mix 2 different weights of oil?

Can oils of different grades be mixed? The good news is that mixing different types of oil it will not harm your engine in any way in the short run. Most synthetic and semi-synthetic engine oils are based on regular oil and are compatible.

What happens if you mix oil viscosities?

It is always advisable to not mix motor oil brands, however, different viscosity grades of the same brand motor oil are compatible. Be aware that mixing viscosity grades will turn out a product that is different in viscosity than either what was originally in the engine or what was added."

Can I mix 0w40 with 5w30?

Can I Mix 0W-40 With 5W-30 Engine Oil? Yes, if your car manufacturer approves it. If not, you should only use the approved oil. 0W-40 and 5W-30 oils can be combined because 5W-30 is thicker oil than 0W-40, and the extra, lower viscosity will make the start-up oil flow easy and efficient.

Will Mixing 10 Motor Oils Damage an Engine? Let's find out!

Is it OK to mix oil weights?

Given that standards are in place, does that mean you can mix and match oil weights? The truth is simple: don't mix two different oils that have different weights (viscosities). Viscosity Grades might sound pretty scientific, but the simple fact is that this is what keeps your engine running smoothly.

What happens if you mix different brands of motor oil?

While mixing car oils isn't bad from your engine, there are a few things you need to be careful about. Mixing different industrial oil formulations for hydraulic systems, compressors and gearboxes can be bad for the seals and bearings. This doesn't apply to certified oils.

Can I mix Castrol and Valvoline?

Q: Can I Mix Castrol And Valvoline? Mixing different oil brands is possible, so long as they are of the exact specifications. If you have Castrol 5w30 oil, mix it with Valvoline 5w30. There will be no problem when it comes to performance.

Can I mix synthetic oils together?

Yes, you can safely mix synthetic and conventional oil. All motor oil, whether synthetic or conventional, is a combination of base oils and additives. Each are designed to be used in the same applications, so they each pass the same minimum standards.

Can I mix Castrol and Shell?

You'll be fine.

Can I use 5W30 instead of 5w20?

In general, it is not recommended that you use 5w30 oil (or any other oil weight) in place of 5w20 oil, as the slightest difference in viscosity can potentially damage your engine.

Does it matter what brand of oil you put in your car?

As long as the oil weight and certifications match what your car needs, there is no point in paying extra for a brand name. Blackstone Laboratories has performed oil analysis on hundreds of thousands of vehicles.

Are all 5W30 oils the same?

As a result, every engine needs its own specific package of additives. And that's why there are so many 5W30 oils, each with a different composition and OEM (Original Equipment Manufacturer)-specification. This means we can honestly say that a “universal” or one-fits-all 5W30 lubricant does not exist.

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

Can I Mix 10w30 and 5w30? Most oils will mix perfectly, provided they have a similar synthetic. Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. Mixing the viscosity of oils will not have any effect on the engine.

Is it OK to mix 10w30 and 10W40?

Mixing 10W30 with 10W40

Some say that mixing them is fine as long as you don't live in freezing weather. Even if you put together synthetic and conventional blends of these motor oils, they show no harm to your vehicle. However, this is true only if you mix in a quart of the other type to your usual engine oil.

Can you mix 5w 20 and 10w 30?

Notwithstanding the recommendations of the car manufacturer, mixing 10w30 and 5w20 will not cause any sort of harm to the engine. However, a few drivers claim that it is safer to combine two multi-grade or straight weight oils, rather than mixing multi-grade with straight weight oils.

Are all brands of motor oil the same?

When it comes to choosing engine oil for your car, you might think “it's just oil, surely they're all the same?” Not only are there different types of oil, but they also differ in viscosity and additives which can have a significant impact on the performance and life of your engine.

Can you go 10000 miles with synthetic oil?

Full synthetic oils will actually last well beyond 10,000 miles. The lifespan of synthetic oil depends, but it's not crazy to see oils still working at 15,000 miles or longer.

Is 5W30 good for high mileage?

Pennzoil High Mileage SAE 5W-30 Motor Oil is engineered for cars that have accumulated more than 75,000 miles, particularly those that are experiencing oil leaks and oil burn off. Engines with higher mileage tend to experience more wear than new engines.

Will the wrong oil damage my engine?

Cause damage to engine life

The wrong engine oil can cause engine damage because it does not properly lubricate its components. This will lead to metal-on-metal contact since the moving parts are not being lubricated. Friction quickly follows, causing engine parts to wear.

What oil is thicker 5W 20 or 5W30?

So, due to viscosity, 5w20 is a thinner oil during operating temperatures, whereas 5w30 is thicker during operating temperatures. A majority of manufacturers are now producing engines that operate on 5w20 oil, to which it's important to stick to this viscosity and not substitute 5w30.

Why is Mobil 1 the best oil?

Because Mobil 1 works much faster, the engine reaches peak operating efficiency much sooner. Mobil 1's robust antioxidant system resists oxidation and oil thickening better than conventional oils, resulting in lower friction and better fuel economy.

Who makes Valvoline oil?

ABOUT VALVOLINE™:

Valvoline™, a brand of Ashland Inc. ( NYSE : ASH), is a leading, worldwide producer and distributor of premium-branded automotive, commercial and industrial lubricants, and automotive chemicals. It ranks as the #2 quick-lube chain and #3 passenger car motor oil brand in the United States .