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chitowndad · 11-09-2008, 01:33 PM

So the Redline 75W90 NS is a GL5 and the 75W90 MT is a GL4 oil. How big of a difference is the GL4 verses GL5?

-Steve

11-09-2008, 01:33 PM	#15
chitowndad Registered User Join Date: Aug 2007 Location: Chicago suburbs Posts: 379	So the Redline 75W90 NS is a GL5 and the 75W90 MT is a GL4 oil. How big of a difference is the GL4 verses GL5? -Steve __________________ 2001 Boxster S Desnorkled Pioneer Avic D3 JL Audio 6.5 inch subs (in the door) Pyramid 4 channel amp