M mer Joined Dec 7, 2008 Messages 30 Location ILL Apr 23, 2009 #1 I am a M1 user, what wght. oil 5w20 or ow30 is better for cold weather use in my 2003 ford f-150 5.4 ????
I am a M1 user, what wght. oil 5w20 or ow30 is better for cold weather use in my 2003 ford f-150 5.4 ????
Johnny Joined May 27, 2002 Messages 14,013 Location Retired | Wausau, WI Apr 23, 2009 #2 I would use 5W-20 but ask me again next winter. If it's like this last one I might say 0W-20.
webfors Joined Jun 6, 2006 Messages 5,265 Location North Apr 23, 2009 #3 the 5w20 is thinner at all temps, and will therefore flow better (better being relative) in cold temps. If your manual calls for a 20 weight and you want the best cold weather performance, then use the 20 weight.
the 5w20 is thinner at all temps, and will therefore flow better (better being relative) in cold temps. If your manual calls for a 20 weight and you want the best cold weather performance, then use the 20 weight.
Z ZZman Joined Mar 17, 2008 Messages 8,334 Location Michigan Apr 23, 2009 #5 The 5w-20 will work fine for your winters. Now our brothers in Canada might like the 0w-30 better.
N NHHEMI Joined Jul 7, 2007 Messages 6,931 Location NH Apr 23, 2009 #6 I believe the engine is spec'd for 5W-20 so stay with a 20 weight. If you want to run a 0W during the dead of winter run 0W-20.
I believe the engine is spec'd for 5W-20 so stay with a 20 weight. If you want to run a 0W during the dead of winter run 0W-20.
T tig1 Joined Jan 3, 2009 Messages 15,125 Location Illinois Apr 23, 2009 #7 Like you I live in Illinois and I use M1 50-30 EP in my 07 Focus, And either M1 5-30 or 10-30 in my Merc. Grand Marq. Both work well.
Like you I live in Illinois and I use M1 50-30 EP in my 07 Focus, And either M1 5-30 or 10-30 in my Merc. Grand Marq. Both work well.
