> A number of people (particularly in the US, but not only) change their oil every 3-5,000 miles for reasons like: There's an even bigger reason it worked like that for so long. Car companies (American car companies)…
> A number of people (particularly in the US, but not only) change their oil every 3-5,000 miles for reasons like: There's an even bigger reason it worked like that for so long. Car companies (American car companies)…