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Premium fuel
My owners manual says premium fuel is "recommended". Why?
The car seems to run the same regardless of octane (she is a 1989 100Q
non-turbo 2.3 in-line five).
All major-brand regular fuels have detergents for cleaning injectors so that
can't be the reason, can it?
Is it worth hearing some votes on the question of 87 octane vs. 93?
Doran Howitt
IDD Information Services
Livingston, NJ USA
dhowitt@iddis.com
P.S. If you've discussed this before, please point me to the appropriate
archive . . .