Eugenio Sabalvoro, Male, 51, Physician, Little Rock, AR
Mobil 1™ Extended Performance 5W-30
No. of years owned:
My car started with Mobil 1™ 5W-30 factory fill and it has been changed using only Mobil 1™ Extended Performance 5W-30 ever since. I had used Blackstone Labs (for oil analysis) the first few thousand miles and after confirming the TBN as well as the stability of the Mobil 1™ Extended Performance, I never looked back. It is still purring at 157,000 miles and going with only oil and filter changes as maintenance on a hybrid!
True to Blackstone Labs, the Mobil 1™ Extended Performance 5W-30 still had available TBN and can go the advertised oil change interval of every 15,000 miles.
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