Compression Ignition Addict
Join Date: Oct 2006
Location: Walpole, MA
Thanked 25 Times in 23 Posts
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Well what are you planning for oil change intervals, if it is under 7500 miles any conventional oil will work just fine..
IMHO in balmy Florida any CJ-4 15w40 will take very good care of you. It won't get near cold enough for a 5w40 to be even close to necessary. I mean you can run 5w40s if you want but I just don't see any benefit to the significant additional cost.
I like Delo and Delvac in my 7.3 but Shell, Castrol, Valvoline etc all make a good 15w40.
2002 F-350 4X4 ECLB 7.3 4R100 6637 filter w/ RiffRaff cover, 08 diff cover, 203* T-stat, HPX, Stancor Relay, 6.0 trans cooler, Zone leveling kit, 8'6" Western Ultramount
Sold: 04.5 Dodge Ram 2500 5.9 CTD, Reg Cab, 48re