I ran mine at 15* for years, with no problems. I run regular gas, and have never had a pinging problem. The knock sensor will back off timing if predetonation happens.
Best mileage was 25mpg, at 60mph for 120 miles.
Usually I get 22mpg, and of course I go 70-90mph on these open desert roads.
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Had a Red 1989 N/A. Automatic. Sports Pkg. w/wing.
TEMS, and some nice MODS. Sold to a friend 10/08/08.
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