986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - DIY oil change/filter adapter/mixing oils

mikes_box · 10-20-2009, 02:48 PM

i had a porsche shop do a mobil 1 cocktail for me on my box with 50/50 5w30 and 15w50... seem to be fine... they say their is not problem with mixing oils as long as they are from same company...

10-20-2009, 02:48 PM	#3
mikes_box Registered User Join Date: Apr 2007 Location: san fran Posts: 241	i had a porsche shop do a mobil 1 cocktail for me on my box with 50/50 5w30 and 15w50... seem to be fine... they say their is not problem with mixing oils as long as they are from same company...