Quote:
Originally Posted by 98civHX
With lean burn I should be getting better gas mileage then? I know these cars are made for the lean burn but will consistently getting into this mode be bad for the catalytic converter?
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Lean burn is like having taller gears on demand, or a smaller displacement engine. It improves gas mileage by reducing pumping losses and might possibly also improve BSFC.
The cats in Honda's lean burn cars last just as long as catalytic converters in other cars, as far as I can tell.