Is 10W40 better for older engines?
The higher viscosity of 10w40 at high temperatures reduces wear and tear when putting more pressure on your vehicle’s engine. 10w40 is also a great option for older vehicles. The increased viscosity of 10w40 held with the metal to metal contact in the engine and helped prolong the engine’s life.
Is 10W40 good for classic cars?
Lucas Hot Rod & Classic Car Motor Oil SAE 10W-40 is for muscle, showroom, classic and trophy cars without catalytic converters. It can be used in racing applications. Not recommended for passenger car use.
What is the best oil to use for older cars?
When you’re choosing the best oil for older cars or high mileage engines, there are several criteria you can look at.
- Pennzoil High Mileage Conventional Motor Oil.
- Castrol GTX Part-Synthetic High Mileage.
- Valvoline MaxLife High Mileage Synthetic Blend.
- Mobil1 High Mileage Engine Oil.
- Amsoil Premium Protection Motor Oil.
Is Thicker oil better for older car?
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 oil should I run in my classic car?
Castrol Oil Recommended for pre-1980 cars, their multi-grade 20W-50 is formulated with high-quality mineral oils plus selected additives for older technology and classic car engines. Also in the “Classic XL” line is a 30W oil for pre-1950 vintage and classic cars.
What 10W40 means?
What Does 10W40 Mean? 10W-40 is the viscosity, or weight, of the motor oil as defined by the Society of Automotive Engineers (SAE for short). A 10W-40 oil has a viscosity grade of 10W at a low temperature and 40 at a higher temperature. Motor oil thickens when it’s cold and becomes thinner when heated up.
Is 10W40 thicker than 20W50?
Is 10w40 good for high mileage? 10W40 is not better than 20W50 for high mileage. The difference between 10w40 and 20w50 is simply that the latter is thicker. As far as gas mileage goes, no oil will improve your gas mileage by changing from 10W40 to 20W50 or vice versa.