Im looking at the 5-40 cus it'll be happier in the winter, also I wanna keep synthetic versus the weird blend stuff. I hear the rotella has Higher detergent levels, is this gunna eat away at old gunk and sludge and cause any problems? I'd like to not have to deal with a 500mi oil change till summer.
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98 XJ Sport | i6 | AW4 | 231 | Stone White | Agate Leather
SOLD 01 WJ Ltd | i6 | QT2 | Moog HD steering | Tow Package | Boston Acoustics Audio | RB1 | Lou's Catback | Stone White |