Quote:
Originally Posted by ZoomZ
To say accurately what will happen with 87 Octane at grandma speeds, Id be a liar. I'm sure OAT, engine temps, water temp, all will be a factor.
Please correct me if I'm wrong.
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IMHO if you are going to drive at Grandma speeds, and I am 75, why did you even buy a Z? My Z has never had anything but highest octane Shell I can find.