Recent content by 23PlanB

Thanks for your reply. I am located in Dar es Salaam, Tanzania(East Africa). It is very rarely for a ambient temperature to go below 5 Celsius in many part on the country. Most of the passenger car(other trucks) are second hand purchased. -Many passenger car are using 20W50 SL, Going for 5W30...

Hello Guys! I have some questions, looking for assistance: i)Does each engine require specific engine oil viscosity grade? ii)Does each engine has specific engine oil pump design? How does oil pump design determine oil viscosity grade? iii)If I use different oil viscosity grade than the one...