Why do you think the current 1300rpm is high???? This makes no sense at all.
I meant 1,500. That is not high. It is not low. It is what it is. But 1,100 is lower. That is a fact.
I have a 23 year-old engine in a car that has probably had a little maintenance in the 150k miles that it has done.
I will not spend the time explaining to you the 20 reasons why I think that.
I just prefer to put less stress on the 23 year old engine in my car on a long trip.
If I drove to Portugal and back staying in third gear on the highway for hours at a time that would be dumb as it would put more stress on the engine than necessary.
Likewise if there is an easy way to drive for multiple days at 1,100 RPM instead of 1,500 RPM that would put less stress on my engine.
There is a reason why Range Rover put a six speed gearbox in the next version of this car.
There is a reason why they put an eight speed gearbox in another version of this car.
Anything that runs an engine at a lower RPM for a long period of time is a benefit to that engine, it's not rocket science.
I came here looking for technical answers about how to do it, not looking for endless discussions about my reasons for doing it.
I have not heard anything that would change my mind other than the comment that the engine might run in a bad area of the torque curve, which seems unlikely given that it accelerates well from 1,000 RPM to 1,500 RPM during my normal driving.