What is the difference between SN grade and SP grade engine oil?

1 Answers
LeLilah
07/30/25 3:21am
The differences between SN grade and SP grade engine oil are as follows: 1. Viscosity (phosphorus content) differs: SN oil has less phosphorus content; SP oil has more phosphorus content. 2. Different grades: SN is the second grade of engine oil; SP is the highest grade of engine oil. 3. Oil film: SN has a weaker oil film; SP has a stronger oil film, providing better protective performance. Additionally, SP offers stable improvements over SN in terms of noise reduction, fuel consumption, and acceleration performance. 4. Protective performance: SN has average protective performance; SP has stronger protective performance.
Was this review help?
7
3
Share
More Forum Discussions

How to Start and Drive a Land Rover?

Land Rover The steps to start and drive a Land Rover are: press the brake pedal, click the one-touch start button, after ignition, the rotary gear knob will automatically rise, then turn to D gear, release the brake, and press the accelerator pedal. Land Rover is a British all-terrain vehicle and sport utility vehicle brand, under Jaguar Land Rover, currently including the Range Rover series, Discovery series, and Defender series. Taking the Land Rover Range Rover as an example, the vehicle is equipped with a turbocharged 2.0TSi4 engine with direct injection technology, delivering a maximum horsepower of 240 HP, paired with an AWF21 six-speed automatic transmission. In terms of configuration, the Land Rover Range Rover is equipped with parking assist, panoramic reversing camera, heated steering wheel, keyless entry, and electric tailgate.
14
3
Share

Can a 16-year-old obtain a motorcycle license?

16-year-olds cannot obtain a motorcycle license. The age requirement for applying for a motorcycle license is 18 to 70 years old. The permitted vehicle type is a light motorcycle with an engine displacement of 50cc or less and a maximum design speed of 50 kilometers per hour or less, with no other permitted vehicle types. The motorcycle license test includes: Subject 1 is theoretical learning; Subject 2 mainly involves on-site practice such as slalom, single-plank bridge, and hill start, with variations depending on the city; Subject 3 is generally completed together with Subject 2, without separate training and testing, and involves following the examiner's designated route; Subject 4 is also a theoretical test. After passing Subject 4, the motorcycle license can be obtained.
3
0
Share

What is the appropriate tire pressure?

Tire pressure should be inflated to 2.3 to 2.5 bar, according to relevant regulations and requirements: standard tire pressure is between 2.4 to 2.5 bar; reinforced tire pressure is between 2.8 to 2.9 bar; the maximum pressure should not exceed 3.5 bar. In winter, it is advisable to increase the standard tire pressure by 0.2 bar. In summer, when the car is parked outdoors, the pressure can generally be 0.1 bar lower than the standard to avoid tire blowouts due to high temperatures. When driving long distances on highways, the tire pressure should not be too low; it can be appropriately increased by 0.2 bar based on the lower limit of the standard tire pressure. When the tire pressure is too low, tire wear accelerates, increasing the risk of blowouts and fuel consumption. When the tire pressure is too high, tire grip decreases and wear accelerates, reducing braking performance.
15
4
Share

Can the Dash Cam Record When the Car is Parked?

When parked, the dash cam can still record, but it will automatically turn off after a certain period. Generally, a dash cam does not record when the car is not powered on. However, there are dash cams with built-in recording functions, including parking monitoring, which can continue recording even when the car is parked. Whether the dash cam works depends on the type of power connection. Some factory-installed dash cams are connected to a constant power supply, allowing 24-hour recording without automatic shutdown. If connected to ACC (Accessory), the dash cam will automatically turn off when the car is turned off. A dash cam is a device that records video and audio during vehicle operation. Once installed, it can capture the entire driving process, providing evidence in case of traffic accidents. The recorded footage must not be edited, as this may render it useless in determining responsibility after an accident. Components of a dash cam: Main unit (includes a microprocessor, data storage, real-time clock, display, lens module, operation keys, printer, data communication interface, etc.); speed sensor; data analysis software; infrared camera.
2
4
Share

What to Do If the Vehicle Inspection is Overdue?

If the vehicle inspection is overdue, you should promptly go to the vehicle management office or an automobile inspection station to complete the annual inspection. Below is relevant information about the annual vehicle inspection: 1. Rules for annual inspection: According to Article 16 of the "Regulations for the Implementation of the Road Traffic Safety Law," effective from July 1, 2018, motor vehicles must undergo safety technical inspections within the following periods from the date of registration: passenger vehicles for commercial use must be inspected annually within the first 5 years, and every 6 months after exceeding 5 years, etc. 2. Rules for the vehicle inspection label: Starting from June 20, 2020, the electronic vehicle inspection label service has been implemented nationwide. The electronic vehicle inspection label is issued through the unified national internet traffic safety comprehensive service platform.
15
0
Share

What is the yellow road marking in the center of the intersection?

Intersection center yellow road marking is a yellow grid marking. Below is an introduction to road grid markings: 1. Introduction: Yellow grid markings on the road strictly prohibit all vehicles from parking for a long or short time to prevent traffic congestion. 2. Function: When there is a vehicle stopped ahead of the yellow grid marking, the following vehicle must wait outside the yellow grid marking until it is confirmed that there is enough space ahead of the yellow grid marking for the vehicle to stop before driving over the yellow grid marking. 3. Application: Yellow grid markings are also painted in front of important state organs, military units, large enterprises, schools, and public transport hubs to ensure that vehicles can enter and exit without being blocked by congested vehicles in front. The grid marking is yellow, and parking is prohibited within it.
15
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.