Change the oil on my mazda 626 2.0 ltr gxi 1997 r reg?

I'm afraid that your logic is flawed. You car burns oil because the engine is worn. So you should keep and eye on your oil level and keep it up to scratch. DO NOT OVERFILL. Having said that most cars will show some (small) benefit from 6 monthly oil changes. Modern oil is extremely good and more frequent oil changes will not show any benefit on an old car. Always change the filter when you change the oil.

Terry
May 2006

Changing the oil monthly is excessive, you'll find it better to change it every 3 months, about the oil filter I would change it every second oil change i.e once every 6 months, if you do the oil every 6 months.

PAUL
May 2006