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**The Rocknrod** · 10-10-2021, 05:57 AM

10W30 is suitable for varying temperature ranges and also works well in cold weather. Not SAE 30 or 30W.

10-10-2021, 05:57 AM	#10
The Rocknrod Moderator Join Date: Aug 2011 Location: China Spring, TX Posts: 7,280	Re: Brake in oil question 10W30 is suitable for varying temperature ranges and also works well in cold weather. Not SAE 30 or 30W. __________________ Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats?