I agree with that...
I do run Mobil 1 on the 95 SE, reason being is that I am Ultra Abusive to it... I want to make sure it has what it needs..
I just did an oil and filter change on the 91 LE today... I think I neglected it for 1 year without an oil change... Oil was still not black... I think it had Dino Mobil in it..
My buddy ran his 3.0 Buick V6 hard as H*** for its entire life and used nothing but Havoline 10-40 for its entire life.. We removed the motor at roughly 205K because every time we changed the oil we would hear a little rod tap, this would also happen after it sat overnight... We didn't want to blow the motor up so we got another one and installed it..
His 3.0 throughout its life never used oil, and most of the time in the 3000 mile intervals the oil came out looking not much darker than it went in, and it was always full... Inside of the motor is as clean as a new motor... His L27 in the Park Ave is the same way.. And gets the same oil... 170k on it..
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