Originally Posted by chevyboyac
Yea on the M1A1 tanks and almost all military equipment we send the oil to a lab and they tell us when its time to be changed, it really sucks using a lil pump that never worked right to suck a bottle of oil out of every engine once a month lol.
yes, but it will warn you if something is breaking down, like high copper content...etc...especially on the higher mileage cars and trucks...tell you what might being wearing out first, main bearings...seals, if small amt of H2O/anti freeze is present...etc....doesn't cost much, in fact the oil supplier for the big trucks did it for free...