mixing oil
Posted: Wed Nov 09, 2005 10:21 am
quick (maybe dumb?) question...i have been using pennzoil for my last 2 oil changes (self done). 5w30 both times. so now i have about 2L leftover (about 1L leftover each time).can i buy another brand (non-synthetic) at 5w30 and mix with the 2L pennzoil?thanks.