Originally Posted by jasonwrangler
lol you worry about antifreeze in a 50F winter? Im worried about switching to 5W30 cuz current 10W30 is not recommended for below 0F usage.
I have some 5W-30 on hand for the winter but have been thinking of switching from 10W-30 conventional to 10W-30 full synthetic instead. Better flowability at low temperature, so they say.
Funny thing about motor oil and cold weather use. The Chrysler 4.0L V6 specifies 10W-30 for all season use. It list no options. Go figure. If it's good for that motor, it should be good for the 4.0L inline Jeep, one would think.
Antifreeze wears out as to its additive package, not its below freezing protection abilities, so that would be a concern where warm breezes blow in the winter. The seasonal contrasts provide lots of variety.
Lots of faint hearted people here head south for the winter. I tend to head north where the skiing is better, especially during the months of March and April when it starts waming up locally. Definitely not a hot weather person.