Fuel milage decreasing
Rather Be Floatin
Joined: Oct 2005
Posts: 2,468
Likes: 0
From: Marble Falls, Tx.
Oddly enough, I actually get better mileage at 80 than at 65. 2016 4x4 with 3.55 rear end. I was complaining about my fuel economy to a tuner that I know and he suggested driving it at 80. Thought he was joking, but when the wife drove for a trip and had the cruise set at 80, there was a noticeable increase, which I have since duplicated more than once.
Being at the right place in the torque curve is my guess.
Being at the right place in the torque curve is my guess.
You're not the only one, I have increased fuel MPG at 80 over 70. (2012 4x4 with 3.55 rear end). Now If I keep it at 60-65 its better than at 80 but it sure feels like im crawling!
Post Fiend
Joined: Mar 2007
Posts: 26,966
Likes: 50
From: Texas
I think you could just stop at the word Texas with that one. I am not saying they drive bad in TX, but damn do they drive fast 
. I am just guessing, but I think the minimum speed limit on your freeways is 5 over whatever the posted sign shows, and that's on top of most posted speeds that seem to be 70+.
. I am just guessing, but I think the minimum speed limit on your freeways is 5 over whatever the posted sign shows, and that's on top of most posted speeds that seem to be 70+.Those same roads used to be posted at 55 and have an average speed of 65 or 70. I don't know if it's cell phones or what, but it's frustrating when you're just trying to go the speed limit and everyone is moving so slow.
Get out away from the city where the speed limit on the highway is 75 or higher on the freeway, then hold on and move to the right. Folks are ready to get from point A to point B in more of a hurry than you're in.
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