Can I use Delo 400 LE 15w40 in my 2F?

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I run the 15w-50 Mobil 1 in my rig, used to have to buy the single quarts but just saw that Walmart is now selling it in the 5 quart jug. Pretty solid deal


I now run the Mobil1 High mileage 10/40, because last year Walmart had it for $18. per 5 quart jug. I bought ten jugs!:D
 
So is this the right oil for my 1978 fj40 2F Gas???

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@Landlover12 I see you're in Maine, so with severe Winters, you may want to run Rotella T5 during the cold months, and give the truck a good 3 min warm up before driving.
 
totally agree 15-40 is more of a diesel weight. in cold i’d want a 5-30 for a gasser and 10-30 in summer. it’s hard on the engine not having enough lubrication when cold. 15 weight is a little too thick for my liking but as you’ll find in every oil related thread you’ll get as many different answers as posts!! also good to add a zinc additive that modern oils don’t have. i took out a cam and lifters in my chevelle unfortunately not knowing that detail.
 
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