Quote:
Originally Posted by Vigilante375
Neither did the lady who had the 220k mile ZL1 before she sold it to get something more economical. Though she was using mobil 1 5w30.
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Is this "lady" a member? That has to be near a record...wonder how much oil it used every 5k
Of course she used 5W-30, she didn't buy the rhetoric. It's only been proven for 20 years, the only thing that has changed is this insane fixation on fuel economy ("0" weight oils, which is a lie) or people that naively think you still need to run a 40 weight in a modern engine. Both are equally clueless