ECO Mt @65 MPH

3571 Views 11 Replies 6 Participants Last post by obermd, Mar 14, 2015

obermd

Discussion Starter · Mar 7, 2015 (Edited)

I went up to the University of Wyoming for work today. I limited my speed to 65 MPH except for about a 15 mile stretch at 70 MPH (to avoid being a rolling road hazard in a 75 zone). Trip was an out and back using the absolutely stunning US-287 from Ft Collins, CO to Laramie, WY. I also checked my 25 and 50 mile averages. 25 now shows a best of 2.4 L/100 KM (98 MPG) and the 50 shows 3.0 L/100 KM (78 MPG). My 500 Mile average is now sitting at 50 MPG. I reset all three of these moving averages when I changed jobs in January. When I got off I-25 in Ft Collins this morning trip 2 was showing 56 MPG and when I crested the hill right after entering Wyoming it was showing 46 MPG.

Speedometer Odometer Auto part Gauge Vehicle

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TDCruze

· #2 · Mar 7, 2015

Nice numbers!

I wish I was patient enough to do that! haha
I would be doing 85 in the 75!

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obermd

Discussion Starter · #3 · Mar 7, 2015

TDCruze said:
Nice numbers!

I wish I was patient enough to do that! haha
I would be doing 85 in the 75!

Patience comes with age. When I was younger I would have been doing that as well. As for speeding between Denver and Ft Collins - don't. Your probability of being pulled over is very close to 100% since our State Patrol is always out there and they will cross the median strip to go after a speeder in the other direction. They sit at random points on both the inside and outside shoulders, on entrance ramps, and even cruise at about 78 MPH along the highway looking for on-coming aggressive drivers and speed. On this stretch of road it really is a safety issue - Weld County has the second highest accident rate in Colorado. In the 40 miles of 75 zone (25 of which is three lanes in both directions) I saw three cars pulled over yesterday morning and one accident on the way back where it was obvious someone in a large pickup changed lanes and cut-off a small sedan.

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Patman

· #4 · Mar 7, 2015

obermd said:
I went up to the University of Wyoming for work today. I limited my speed to 65 MPH except for about a 15 mile stretch at 70 MPH (to avoid being a rolling road hazard in a 75 zone). Trip was an out and back using the absolutely stunning US-287 from Ft Collins, CO to Laramie, WY. I also checked my 25 and 50 mile averages. 25 now shows a best of 2.4 L/100 KM (98 MPG) and the 50 shows 4.0 L/100 KM (59 MPG). My 500 Mile average is now sitting at 50 MPG. I reset all three of these moving averages when I changed jobs in January. When I got off I-25 in Ft Collins this morning trip 2 was showing 56 MPG and when I crested the hill right after entering Wyoming it was showing 46 MPG.

View attachment 136809 View attachment 136801

This is what I was alluding to in my thread. I often think, how do you get that kind of MPG, my car never got that good even driving sensibly on the highway. Hopefully that will change now? Of course I am still dealing with the hills of Cincinnati and limited highway driving unless I take an experimental road trip.

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TDCruze

· #5 · Mar 7, 2015

obermd said:
Patience comes with age. When I was younger I would have been doing that as well. As for speeding between Denver and Ft Collins - don't. Your probability of being pulled over is very close to 100% since our State Patrol is always out there and they will cross the median strip to go after a speeder in the other direction. They sit at random points on both the inside and outside shoulders, on entrance ramps, and even cruise at about 78 MPH along the highway looking for on-coming aggressive drivers and speed. On this stretch of road it really is a safety issue - Weld County has the second highest accident rate in Colorado. In the 40 miles of 75 zone (25 of which is three lanes in both directions) I saw three cars pulled over yesterday morning and one accident on the way back where it was obvious someone in a large pickup changed lanes and cut-off a small sedan.

I have driven that stretch once on a summer trip two years ago, I guess I should consider myself lucky that I did not get picked up!

It sounds a lot like the Washington State Patrol, where I used to live. The cops were hiding out all the time looking for speeders, which is OK but after I got two tickets in 6 months for 65/60 I was not very impressed. They use aircraft quite regularly to look for aggressive drivers as well. I imagine its like this in many places any more though.

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obermd

Discussion Starter · #6 · Mar 7, 2015

Parts of that uphill climb going to Larimie is so steep that I was down to 45 in the right lane and considering shifting. Needless to say I was paying attention to my rear view mirror while climbing so I could downshift and accelerate to avoid being run over. At least it's the wrong time of the year to run into a western traffic jam.

Edit: Based on what some of our CTD owners have reported I don't think their cars would have dropped below 65 on these hills.

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spacedout

· #7 · Mar 7, 2015

Patman said:
I often think, how do you get that kind of MPG, my car never got that good even driving sensibly on the highway. Hopefully that will change now?

Patman once the weather warms up take your car on a 2-3hour drive on the highway, but before you do top off your tank before you ramp on. Top it off again at the same station when you ramp off, think you will be very very surprised at your results.

The reason I say to do it this way is because your typical driving will always bring down the entire tank average. If you typically average 32mpg and get 42mpg on the highway, you would only average up to 37mpg depending on how much in town driving you actually did.

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jblackburn

· #8 · Mar 7, 2015

TDCruze said:
I have driven that stretch once on a summer trip two years ago, I guess I should consider myself lucky that I did not get picked up!

It sounds a lot like the Washington State Patrol, where I used to live. The cops were hiding out all the time looking for speeders, which is OK but after I got two tickets in 6 months for 65/60 I was not very impressed. They use aircraft quite regularly to look for aggressive drivers as well. I imagine its like this in many places any more though.

They give out tickets for 5 over? That's ridiculous. Cops here won't even bother you if you're doing 10 over (unless a 25 zone)...they know there will be better ones to catch.

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Sperry

· #9 · Mar 7, 2015

Those are some real good numbers.. I left the diesel with my wife while I was out west for a week..Between the bitter cold and her 6 minute drive to work the 31 and 62 mile averages both dropped into the 20's..

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obermd

Discussion Starter · #10 · Mar 7, 2015

jblackburn said:
They give out tickets for 5 over? That's ridiculous. Cops here won't even bother you if you're doing 10 over (unless a 25 zone)...they know there will be better ones to catch.

On this particular stretch of I-25, they will give out tickets at 80 MPH. The reason for this is the slowest trucks are doing somewhere around 55 and that is literally as fast as they can go. The larger the speed differential the more dangerous the road.

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obermd

Discussion Starter · #11 · Mar 7, 2015

Sperry said:
Those are some real good numbers.. I left the diesel with my wife while I was out west for a week..Between the bitter cold and her 6 minute drive to work the 31 and 62 mile averages both dropped into the 20's..

Ouch.

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obermd

Discussion Starter · #12 · Mar 14, 2015

Final Tank Numbers

565 miles
First click at 11.23 gallons. Final fill up at 11.8 gallons.
DIC reported 50.9 MPG. Pump measured 47.9 MPG.

I drove 250 miles this week on the tank I showed the picture of to start this thread. My car was sucking fumes when I pulled into the gas station.

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