What happens if you put the wrong weight of oil in your car?
What happens if you put the wrong weight of oil in your car? Using the wrong oil can lead to reduced lubrication and shorter engine life. If the manual says to use synthetic oil, do so. Contrary to what some believe, adding synthetic oil to regular oil won't harm the engine, but there's also no benefit in doing so. Can I use 30 weight oil in my car? SAE 30 is a single viscosity motor oil. Only multi viscosity motor oils only should be used in any car. It is pefectly fine to use SAE 30 oil in place of...