Should you use heavier oil in older cars?

Should you use heavier oil in older cars?

For an older, high-mileage passenger car, it is recommended to switch to a thicker viscosity oil, such as 10W-30, when approaching and passing 100,000 miles, to lubricate the engine well for preservation.

What is SAE 10W-40 oil used for?

Havoline Motor Oil SAE 10W-40 is a premium automotive motor oil with Deposit Shield® Technology protects against deposit and sludge formation and provides excellent wear protection of critical engine parts.

Which oil is better 5w30 or 10w40?

10w40 refers to synthetic oils which have a viscosity of 10 when in low temperatures and a viscosity of 40 when in the high temperature of 100 degrees Celsius. 5w30 is less viscous while 10w40 is more viscous. So at a lower temperature, the 5w30 oil will be the best to protect the engine.

What kind of oil to use for high mileage?

If your in Texas, using a 10W30 instead of a 5W30 will make no difference to your vehicle. The 5, 10 is the way the oil acts when in a cold engine, when the engine warms to operating temps, the oil acts like 30 weight oil. Some of the advertised high mileage oils have additional additives, to help clean the engine.

When do you need to switch to Valvoline Maxlife?

So, while puppies probably can’t benefit from that old Dog Chow in the commercials because of their different needs, new cars can really benefit from the rigorous specifications of Valvoline MaxLife™. That makes deciding when to switch to MaxLife™ an easy decision: right now!

When to put high mileage oil in Mobile one?

To answer rays question, the mobile one high mileage oil is for vehicles over 75,000 miles. They sell an “extended service” mobile 1 that is for OCI of 15,000 miles. Click to expand… Mike, I knew the difference, I just wanted to make sure the OP wasn’t confusing the two terms.

Which is better 0w30 or 10W30 oil?

The assertions that a 0w30 or 5w30 is better than a 10w30 because of tighter engine tolerances are not grounded in reality. All of these oils have the same viscosity in engine operation. Only the cold flow is different. And GM’s recommendation]

When to use Valvoline Maxlife high mileage oil?

Valvoline MaxLife motor oil is designed for high mileage vehicles of 75,000 miles or more. However, it is perfectly acceptable to use the high mileage motor oil in new or used vehicles with less than 75,000 miles. Has MaxLife always been a synthetic blend motor oil?

What kind of motor oil does Valvoline use?

Valvoline High Mileage with MaxLife Technology Synthetic Blend Motor Oil is specially formulated to attack the causes of high mileage engine breakdown: wear, deposits, sludge and leaks.

What kind of oil does a high mileage car use?

Valvoline™ MaxLife™ Synthetic Blend Motor Oil is specially designed to address the unique needs of high mileage engines. Seal conditioners rejuvenate aging engine seals to help stop and prevent oil leaks.

Is the Valvoline synpower 5w40 oil API licensed?

All of Valvoline’s full synthetic motor oils are API licensed to ensure quality for North American vehicle application. We have specially designed Valvoline SynPower 5w40 for application in high performance European or diesel passenger cars and this oil carries the specific OEM approvals such as Mercedes Benz, Volkswagen, Porsche and BMW.