986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - Why VR-1 as a flush oil?

Flavor 987S · 02-16-2011, 02:37 AM

Please remind me again why you have to flush a healthy engine, with an oil like VR-1, when changing from one quality oil, like Mobil 1, to another quality oil choice like Castrol?

02-16-2011, 02:37 AM	#4
Flavor 987S Registered User Join Date: Jul 2009 Location: Arlington Heights, IL Posts: 1,561	Please remind me again why you have to flush a healthy engine, with an oil like VR-1, when changing from one quality oil, like Mobil 1, to another quality oil choice like Castrol?