Quote:
Originally Posted by uberwgn
I'd do one of the modern 5W40 oils if the car isn't a leaker. If it is a leaker, I'd do a dino 15W40. I don't really know how many other choices there are today.
FWIW, people are reporting that W*mart is now selling Chervon's most excellent DELO 5W40 oil for around $19/gallon. (You'll find multiple dino and syn diesel rated oils at W*mart.)
Drain intervals are going to be a function of what kind of shape your injectors are in and how much soot you are producing. The only way of nailing this down is to do some sampling and establish a baseline for the engine. I'd be sampling at 5,000 miles and determine if you can go beyond that. Diesels can generally go for longer intervals with ULSD as the soot production is so much lower now.
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This. 5K on any of the name brand 5w40's is safe. No need to fear a few short runs, either - take it out on the town for an errand or ice cream periodically.  It won't bother the engine as long as that's not all it's used for.
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'82 300CD
"Pearl", the very first turbo diesel 123 coupe
Totaled 11/23/18, rebuild in progress.
'85 300TD, "Artemis".
'78 300D euro, "Ol' Red", mostly retired.
'85 300D, "Gandalf".
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