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If there was an infinite gear transmission, what RPM would be best for a 89 460 to tow 15K.
From different manuals, it seems as if max torque is either 2000 or 2200. Therefore I'm guessing if I towed at about 300 about torque, that would be a good rpm.
Good engine rpm should not be dependent on road speed, just the gearing to let me run that speed.