Quote:
Originally Posted by Cephas
I doubt they'd lower the recommended octane, but that doesn't mean the car won't run sorta okay on lower grade fuel. The ECU is smart enough to pull enough timing to make it work.
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The current engine runs sorta OK on 87. The new one is a substantial increase and would probably be pushing even the ECU to it's limits as far as correction goes. In other words it would probably run like crap. Even Joe and Jill Generalpublic would notice the difference.