Quote:
Originally Posted by mcrews
shadetree,
no kidding....accept I never head a pinging.
talldud,
yeah, I just need to pay attention when I do a trip.
your right about what the manufacturer reccomends. they design the optimal performance for the octane listed.
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Problem with a luxury auto is that engine noise in the cabin is generally frowned on, meaning you could have a rod going out and not know it. Even in my Max it took supreme concentration to hear the pinging, and it was my wife who heard it best! I could barely make it out.
But on a lower class of vehicle, it's REAL easy!