I've seen it mentioned many times that using fuel consumed to determine when to change oil is a possible method along with hours and miles.
So what exactly is the formula here?
I presume we need:
Gallons of fuel consumed
Sump size
Engine size
Once we have that info, what calculation do we perform?
So what exactly is the formula here?
I presume we need:
Gallons of fuel consumed
Sump size
Engine size
Once we have that info, what calculation do we perform?