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Old 07-11-2012, 09:05 AM   #15 (permalink)
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GasDwarf - '13 Volkswagen up! EcoFuel CNG
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Originally Posted by Mustang Dave View Post
I must be doing it all wrong with my Mustang. I shift between 1500 and 2500 RPM, depending on driving conditions. Peak torque is @ 3500 RPM. I rarely see 3500 RPM on the tach.
Nah, just driving different engine technology.
You're using those cubic inches as they pump out more than enough power, and keep the rpm low.

With petrol engines you can't shift at peak torque for economy because it's usually far too high up in the rev range - but that's changing on downsized, turbocharged petrol engines like the newish Beemer 20i, 25i and 28i.They have their max torque from way down on the charts.
GasDwarf's fuel consumption :
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