I’m averaging 28.2 but in fairness I have been driving playfully. I have seen 33-34 strictly highway and doing like yiu said 70ish which is quite nice and a good pace to stay with traffic flow in the middle lane and not be annoying to people. I was born in Europe so I follow the code pass and get over I hate left lane squatting
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EDIT: yes I did the oil at 1555 miles with the motor craft 5w20 stuff and left the filter, I plan on doing Mobil 1 n filter starting at 5k and every 5k thereafter. I did notice the mileage jump up after the oil change. Could just be that it’s breaking in.
I may try the res delete. I’ll have to find out what diameter our exhaust is so I can get a clamp setup. I won’t gwt a cat back it’s just too expensive for little to no gain for sound.