basic oil stuff

[Boostesi]

the drain plug gaskets should be changed with every oil change. theres a few types, copper type, felt type, and rubber type. rubber gaskets are usually built into the plugs on most GM's copper plugs on nissans BMW's etc should be changed every time. and im not sure any manufacturer actually uses felt type, i think thats more of an aftermarket gasket..

also, european cars and older american cars (muscle) use 10w40 sometimes

high end cars like some caddys, beamers mercedes land rovers etc. sometimes call for Full Synthetic oil only.

almost all honda motors require 5w20, along with most modern fords.

diesels usually run on 15w40 made by companies like Shell Rotella.

diesels also usually take upwards of 10 quarts (trucks)