Driving on the highway seems like I'm stressing the car

[jambo101]

Originally Posted by BailOut

You would be pleasantly surprised at how traffic parts around you when you do the speed limit in the slow lane.

How are you in the slow lane if traffic is passing you on both sides
And the car wont be stressed at anything under 6000rpm in fact if you drive around all the time at low rpm:s you could be inducing carbon and sludge build up in your engine.