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70' GMC · 01-05-2008, 05:40 PM

I read on a calender which is auto related, and it said that the "W" meant winter NOT weight. So if it says 10W or 20W it means 10 degrees in winter or 20 degrees in winter. I hope someone has some more info on this.

01-05-2008, 05:40 PM	#1
70' GMC HERE.......Somewhere Join Date: Oct 2006 Location: Birmingham AL Posts: 2,488	What the W means on the oil!!! I read on a calender which is auto related, and it said that the "W" meant winter *NOT* weight. So if it says 10W or 20W it means 10 degrees in winter or 20 degrees in winter. I hope someone has some more info on this. __________________ Current rides: 2013 Hyundai elantra gt DD 1995 camaro my first crush lmao Was: 1970 with a 350 4barrel and 288 horses Classics make it possible!