Quote:
Originally Posted by E150GT
I use Rotella T6 5w-40 in my truck's gas engine...
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According to what I have seen and heard from my indie mechanic who is MB trained from the old country and still has contacts, Mobil1 is approved (have to check the ACEA info) and it's also the oil I used in 0W40 for winter/summer in Michigan.
It's the only oil that will work in my 6.2 truck diesel to stay fluid in -4 F degree temps and it does not seem to leak in my 30 year old Hummer diesel.
In my Volvo 6324 engine I use dyno 5W30 because that's what is specifically recommended in the owner's manual.
Doesn't mean that others are not good, but I get good mileage and certainly no over heats or crusty stuff on the dipstick.