How long can i go without changing my car oil?
Refer to your owners manual to find the maximum oil change interval recommended by the vehicle manufacturer and then change it before that if you are using a cheap oil filter which will only remove about 35% of particles in the 10 micron range. But if you are using an OEM quality filter which removes about 70% of particles in the 10 micron range you can go to the maximum oil change interval recommended by the vehicle manufacturer. If you are using a premium oil filter such as the Mobil 1 oil filter or the Purolator PureONE oil filter which removes about 95% of particles in the 10 micron range you can go a little beyond the maximum oil change interval recommended by the vehicle manufacturer. The reason you can only go a little beyond the maximum oil change interval recommended by the vehicle manufacturer when using a premium oil filter such as the Mobil 1 oil filter or the Purolator PureONE oil filter is that they will become clogged with filtered particles and begin to restrict oil flo
