In my Ram with the 6.4L Hemi, they recommend Pennzoil Ultra Platinum 0W-40.
From what I've seen and heard, Pennzoil doesn't seem to make the Ultra Platinum 0W-40 in the 5 quart jug.
And if you can get it at your local Walmart ( which I haven't seen ) they are only about 57 cents cheaper then Autozone on the 0W-40.
So if you go out of your way to a Walmart ( which probably doesn't have it anyway ) it is worth the $4.00 difference running all around.
http://www.walmart.com/ip/Pennzoil-Ultra-Platinum-0W-40-Motor-Oil-1-qt/44981487
From what I've seen and heard, Pennzoil doesn't seem to make the Ultra Platinum 0W-40 in the 5 quart jug.
And if you can get it at your local Walmart ( which I haven't seen ) they are only about 57 cents cheaper then Autozone on the 0W-40.
So if you go out of your way to a Walmart ( which probably doesn't have it anyway ) it is worth the $4.00 difference running all around.
http://www.walmart.com/ip/Pennzoil-Ultra-Platinum-0W-40-Motor-Oil-1-qt/44981487
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