Best motor oil for 1988 Jeep Cherokee w/ 275k miles?

Luke

New member
What about 15w40 Rotella T? (Gets about 85F in the summer and about 20-30sF in winter here)
What about 15w40 Rotella T? (Gets about 85F in the summer and about 20-30sF in winter here)

I know that's diesel oil, but I've read on several forums that some people use it on higher mileage jeeps.
 
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