Question: Is It OK To Use 10w30 Instead Of 10w40?

What is the best 4 stroke oil?

Best 4-Stroke Dirt Bike Oil5 Castrol Power 1 4T 10W-40 Synthetic Motorcycle Oil.

This oil is the good stuff.

6 Yamalube All-Purpose 4-Stroke Oil.

Here we have the Yamalube All-Purpose 4-Stroke Oil.

7 Maxima Premium4 10W-40 Motorcycle Oil.

8 Motul E-Tech 100 Synthetic Oil..

Should I use synthetic oil in an older engine?

It’s not accurate to say that you should never use a synthetic oil in an older car. If the car has been maintained and is in excellent running condition, the synthetic oil may protect the vehicle and prolong its life.

Is 10w40 good for winter?

With an oil like a 10W40 (the W stands for winter), the oil flows similar to a 10-weight in freezing temperatures to minus 30 C and protects like a 40-weight at 100 C. With this innovation in oil performance, changing weights for the season is no longer necessary and may be detrimental.

What is the best engine oil?

Our Top Picks for Motor OilBest Oil for Most Cars: Mobil 1 Synthetic Motor Oil.Best Synthetic Oil on a Budget: AmazonBasics Full Synthetic Motor Oil.Best High-Mileage Oil: Valvoline High Mileage Max Life.Best Conventional Oil: Valvoline Daily Protection.

What motor oil is best for hot weather?

Top 10 Best Motor Oils for Hot Weather Reviews (summer)#8. … #7. Pennzoil Platinum Motor oil for hot weather.#6. Mobil 1 (120766) Motor Oil for hot weather.#5. Valvoline Advanced Car oil.#4. Valvoline 10W-40 Synthetic Motor Oil.#3. Castrol 03084 Motor oil for hot weather.#2. AmazonBasics Full Synthetic Motor Oil 5W-30.#1. Castrol 03057 Motor Oil for hot weather.More items…•

Can using thick oil damage engine?

Not only that, but the engine will waste energy pumping the thicker motor oil, reducing fuel economy. Since thicker oils don’t transfer heat as well as thinner oils, operating temperatures will increase, too, possibly leading to accelerated chemical break down and harmful sludge and deposits.

Can I use 10w20 instead of 10w30?

I generally advise using the summer grade if specified. Like Toyota and Lexus usually spec 5w30 or 0w20 for all temps but 10w30 >0F. … If it’s the middle of summer switch to a heavier oil, in winter thinner oil, so the 10W20 would be fine in the winter and a little to thin for the summer.

What is the difference between SAE 30 oil and 10w30 oil?

SAE 10W30 is an oil that has SAE 10W viscosity(thickness) at low temperatures, and SAE 30 viscosity at high temperatures. The W stands for ‘Winter’. … At operating temperature, there’ll likely be little difference between SAE 30 and SAE 10W30. In theory, they’re the same at high temperature, which is IIRC set at 100C.

Do you use thicker oil in winter?

The W Means Winter Motor oil is measured by its viscosity—basically how thick or thin it is. … The lower the W number, the better the oil will perform in colder temperatures. Typically, a 5W oil is recommended for winter use, but synthetic oils can be formulated to flow even more easily when cold.

Which is better 10w30 or 10w40?

Since the cold temperature viscosity rating is the same at ’10W’, we can safely assume that these two motor oils will be able to resist becoming solid at a temperature of zero degrees Fahrenheit. … In very simple words, the 10W40 oil is thicker than the 10W30 oil.

Is 10w40 good for high mileage?

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 is 10w 40 oil used for?

Using the correct viscosity oil eases starting, reduces friction, and slows wear. For even more effective start-up protection, use a synthetic 10W-40 instead of a conventional 20W-50. The synthetic 10W-40 flows easily and still maintains enough viscosity to protect piston skirts and bearings when it gets hot.

Does thicker oil protect?

Use the oil required by the manufacturer, thicker oil does not necessarily provide more protection. Older engines with less precise tolerances sometimes required higher viscosity oils, especially at higher temperatures. Thicker oil is not always better.

Is 10w40 synthetic?

Semi-synthetic oils such as 10W40 have long been the standard. Their base is refined crude oil, which is then blended with additives. However the market is moving towards synthetic oils.

What is the best oil for older engines?

Valvoline MaxLife 10WValvoline MaxLife 10W-40 stands out as the best oil for old motors. Valvoline comes with enhanced additives. The additives enable your motor to perform better. It comes with seal conditioners that prevent leaks.

Can I use 10w40 instead of 10w30?

The only difference between 10w30 and 10w40 oil is their thickness at engine operating (hot) temperatures. … Using 10w40 oil in the summer will help the oil stick to internal components in high temperatures, avoiding the wear and tear from metal-to-metal contact between moving parts.

Automakers usually specify a 5W-20 or 5W-30 oil for colder temperatures, with a 10W-30 oil as optional for higher ambient temperatures.

Is Thicker oil better for older engines?

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.