How different in viscosity are the various weights of car engine motor oil like 5w-50 or 10w-30? - Quora
![Pressure-temperature-viscosity measurements of mineral oil-based (M)... | Download Scientific Diagram Pressure-temperature-viscosity measurements of mineral oil-based (M)... | Download Scientific Diagram](https://www.researchgate.net/publication/332797054/figure/fig1/AS:753891658440704@1556753186543/Pressure-temperature-viscosity-measurements-of-mineral-oil-based-M-and-synthetic.png)
Pressure-temperature-viscosity measurements of mineral oil-based (M)... | Download Scientific Diagram
![What if I replace a 5W-30 engine oil with a 10W-40 grade engine oil in summers and get back to 5W-30 in winters? Will it affect my engine? As in summers temperature What if I replace a 5W-30 engine oil with a 10W-40 grade engine oil in summers and get back to 5W-30 in winters? Will it affect my engine? As in summers temperature](https://qph.fs.quoracdn.net/main-qimg-770e20b958922a9cdfdf47a2fd7e425f.webp)
What if I replace a 5W-30 engine oil with a 10W-40 grade engine oil in summers and get back to 5W-30 in winters? Will it affect my engine? As in summers temperature
![Viscosity - Choosing the Right Oil Weight - CIRCLE TRACK WAREHOUSE | PERFORMANCE RACING DISTRIBUTOR | AUTOMOTIVE PARTS Viscosity - Choosing the Right Oil Weight - CIRCLE TRACK WAREHOUSE | PERFORMANCE RACING DISTRIBUTOR | AUTOMOTIVE PARTS](https://www.motorstate.com/wp-content/uploads/2019/12/Viscosity-Chart-PNG-.png)