Yes, you can safely mix one brand of oil (e.g. Mobil 1) with a different brand (e.g. AMSOIL) or conventional oil with synthetic oil (in fact, that's what a synthetic blend is). Most synthetics today are fully compatible with conventional oils and can safely be mixed.
Otherwise it could have a negative effect on your engine.. If you mix half synthetic with half conventional, the oil pump will still be operational, but it will be akin .
Find out how switching to a synthetic oil that cleans is so important, and how we debunk. With the help of this revolutionary gas-to-liquid technology, your vehicle can. Avg of 550 extra miles based on mixed city/highway miles and US avg of .
"What are the effects of mixing synthetic gear oil with mineral gear oil?. Polyalphaolefin and diester synthetic bases can be mixed with mineral oil bases, which .
â€œI mixed Mobil 1â„¢ with regular motor oil. My mechanic told me I should not do this because it forms a gel; is this true? I did it on three Honda Accords â€“ a 2003 .