Quote:
Originally Posted by Eau Rouge
seriously?
Higher rpm = increased fuel consumption.
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Generally, but keep in mind:
- Redline for the S55 is only 300 RPM lower than the S54
- EPA testing probably does not even take the engines near redline, or if it does it would be only very briefly.
- The S55 makes about 100 more horsepower than the S54.
It seems like a reasonable trade-off.