Ford releases fuel numbers for the new F-150

[aczlan]

I have a boost gauge but it is downstream the throttle plate so I do see vacuum at idle and under light loads. I have read others who have verified the always positive pressure on Ford forums. Haven't done it personally though. I have a torque app with the obd2 reader and will check to see if that is captured somewhere on the ecu. My boost gauge is mechanical and plumbed to the intake manifold.

Boost is one of the gauges available on Torque. IIRC, it reads from the MAP sensor.

Aaron Z

 

[roadhunter]

Because a turbo is not producing boost until it's spun up. If a turbo was producing boost all the time there would be no efficiencies to be found.

Can you elaborate on this some more? Specifically what engine you are referring to and how much vacuum you believe that specific engine has downstream of the turbo when running? Thanks in advance.

My understanding and experience with the 5.9 Cummins has been different.

 

[roadhunter]

Also notable is that they did not tow up a grade, they towed on the flats. It looks as if they wanted to not have the Dodge left at the bottom of the hill behind the Ford and Chevy. This article is obviously biased against the Chevy and for the Dodge. The Dodge is a really good truck, but you cannot ignore towing at 60 MPH and passing at 65 and call it truck of the year. Fuel costs per mile are almost the same as the Ford once you adjust for the higher diesel price. Diesel is about 20% higher depending on where you live negating the 21% higher MPG figures they tout.

So this test is a conspiracy against Ford?

 

[roadhunter]

That truck is a 2WD, regular cab and loaded with what looks like a lot less than the "1000 lb" load quoted. Properly loaded, I bet it could even fit in a Prius which would be an interesting comparison with a driver like that.

Don't get me wrong, the Dodge is a good truck, but the 2015 Ford is much more innovative. Personally I think Ford should put a diesel option in the F150, not for economy purposes so much, but to attract the diesel diehards.

And this test is a conspiracy as well?

 

[roadhunter]

My reading comprehension must be off, because it pretty clearly says that this was an acceleration test on a 6% grade.. Accelerating from 60 to 70 on a grade like that requires a ton of power and it's not something I would personally expect any half ton to do on a regular basis.

It's not off at all. You got it right. I think that anything Tom reads and doesn't like the outcome he just claims it is rigged/biased/conspiracy/etc.. In his mind the Ford is the winner no matter what any test has to say.

 

[aczlan]

Still think most people buying the Ram eco diesel are light towers who are in it for the mileage- but need a truck. Also many people are still driving the early 1990s Dodge Cummins combos-and pulling trailers with similar power ratings to the new eco diesel.
When a hyper miler can squeeze over 40 mpg out of a new one with 1000 lbs. in the bed on a Chicago to San Diego trip. 2014 RAM 1500 EcoDiesel Heads West - Page 11 - CleanMPG Forums

One caveat to his MPG numbers, here are his times and gallons used:

	Miles	Hours	Gallons	MPG	MPH
Tank1	1071	23.16	25.809	41.50	46.23
Tank2	825.7	13.88	20.001	41.28	59.47
Tank3	417	9.78	10.831	38.50	42.62
Total	2313.7	43.83	56.641	40.84	49.40

[/TD]

So, in 2300 miles of mostly interstate driving, he averaged 49.40MPH.
By comparison, on a ~360 mile trip to visit Grandma (including NYC traffic, the ever present PA road construction on 81, potty breaks and lunch (when the car is turned off)) we generally average 50-56MPH (counting the time from when we leave to when we arrive).
If you exclude stops (ie: only include time when actually on the road), our average speed is 61-63MPH and we spend 5.8-6 hours actually driving. That is with 65MPH speed limits on the roads and traffic doing 70-75. If we drove like he does, we would spend ~7.4 hours driving, plus another 0.6-1 hours stopped making a 6-6.5 hour trip into a 8-9 hour trip.
Additionally, out where he was driving with higher speed limits on the roads, he was probbaly somewhat of a hazard to the other vehicles on the road due to how many people had to change lanes to go around him.

As such, it can theoretically be done, but 99.997% of the people on the road don't have the free time available to do it.

Aaron Z

Aaron Z

 

[tcartwri]

Can you elaborate on this some more? Specifically what engine you are referring to and how much vacuum you believe that specific engine has downstream of the turbo when running? Thanks in advance.

My understanding and experience with the 5.9 Cummins has been different.

Diesels are a totally different animal. Most do not have a throttle body period, so vacuum conditions are not part of the equation.

I would be very surprised if the ecoboost is producing any boost at cruise, however they are using two very small variable vane units, so I suppose there may be a reason they are.

 

[roadhunter]

Diesels are a totally different animal. Most do not have a throttle body period, so vacuum conditions are not part of the equation.

I would be very surprised if the ecoboost is producing any boost at cruise, however they are using two very small variable vane units, so I suppose there may be a reason they are.

I guess I will have to trust your experience here as I don't see how the truck would not be at boost running 70 mph down the highway with the engine revved up on cruise. The new technology is pretty mindboggling to simple minds like mine.

 

[roadhunter]

One caveat to his MPG numbers, here are his times and gallons used:

	Miles	Hours	Gallons	MPG	MPH
Tank1	1071	23.16	25.809	41.50	46.23
Tank2	825.7	13.88	20.001	41.28	59.47
Tank3	417	9.78	10.831	38.50	42.62
Total	2313.7	43.83	56.641	40.84	49.40

[/TD]

So, in 2300 miles of mostly interstate driving, he averaged 49.40MPH.
By comparison, on a ~360 mile trip to visit Grandma (including NYC traffic, the ever present PA road construction on 81, potty breaks and lunch (when the car is turned off)) we generally average 50-56MPH (counting the time from when we leave to when we arrive).
If you exclude stops (ie: only include time when actually on the road), our average speed is 61-63MPH and we spend 5.8-6 hours actually driving. That is with 65MPH speed limits on the roads and traffic doing 70-75. If we drove like he does, we would spend ~7.4 hours driving, plus another 0.6-1 hours stopped making a 6-6.5 hour trip into a 8-9 hour trip.
Additionally, out where he was driving with higher speed limits on the roads, he was probbaly somewhat of a hazard to the other vehicles on the road due to how many people had to change lanes to go around him.

As such, it can theoretically be done, but 99.997% of the people on the road don't have the free time available to do it.

Aaron Z

Aaron Z

You are really trying to do everything you can to discredit the Ram down to crunching numbers and claiming them to be nearly impossible. I hope you are successful in your quest. It's strange to go back and read your posts. You have been trying everything including the truck was overloaded (did you really think the axles would snap and the truck would stop operating with 1,000 pounds in the bed?, geesh). Basically you are searching for any piece of evidence so you can disqualify the Ram and claim victory for Ford. Why are you doing this over and over again? Like your buddy who claims every test is a biased conspiracy, it's strange to watch you guys react to these tests in such an odd way.

 

[s219]

I guess I will have to trust your experience here as I don't see how the truck would not be at boost running 70 mph down the highway with the engine revved up on cruise. The new technology is pretty mindboggling to simple minds like mine.

Depends on "cruise". I have owned several turbo vehicles, including two I towed with. At some point on the highway when you get up to a high enough speed for the payload, they will be boosting all the time. And that's when the highway gas mileage dives. I had one SUV (Acura RDX turbo) that would boost past about 65mph, with just the driver on board. That thing was a pig for gas mileage, since around here you get run over if not going at least 70mph.