My friend switched to all Mobil 1 and swore he noticed a difference in his '97 SS. I swapped all in the Iroc I used to have and only noticed 2 more mpgs. Nothing else.
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Originally Posted by scrapper1
they also use it in simis my nephew is truck driver they youse it go for over 2 and 3.000.000 mls. or more..
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They get rebuilt by then. Usually 750k to a million. The longest I have ever personally seen was 1.3 million. They get new liners, pistons, skirts, bearings and a head (or heads depending on engine)
Rotella stinks bad. (in big trucks.....really, it smells awful)