The EB builds and holds higher torque numbers than the 6.2L and does not in fact drop off as sharply as the 6.2. The EB does fade at a lower torque figure than the 6.2L but it fades more gradually. The 6.2L simply dies at about 5700 rpm's. The 3.5L will not have to rev as high as the 6.2L to perform the same amount of work.

 

Remember guys Ford's hp and torque graphs are at WOT (Wide Open Throttle) which means if you plan on running your truck at WOT then these graphs are the ticket. The problem is these graphs don't tell you how much power an engine makes vs throttle position.

For me an engine that puts down the maximum power with the minimum throttle is the best for a truck application.

 

...the Energizer Bunny thread of all threads...

 

And this one: https://www.ford-trucks.com/forums/1...ne-please.html has gained a great deal of momentum as well.

Engine discussions bring out the true bias in all of us. I'm thankful that we have choices.

 

Maybe, but the bragging rights are undeniable

 

Those numbers are very, very fishy. I'm thinking dyno'ing in 2nd might have been a factor, and that's a serious newb mistake.

 

Couple of problems:

1: Electronic throttles, the gas pedal on modern cars is simply a "torque request" pedal. You're telling the ECU that you want more power, it then decides how far to advance the timing, what gear to kick down to, the optimum air-fuel ratio for that requested torque and how far the throttle should be open.

2. You do realize that the more horsepower an engine has, the less throttle you'll need to give it to have a certain power level? So, WOT dynographs can still give you the information you want. Not that it matters anyways, not a big deal to push the gas pedal a bit further down.


As to the dynographs themselves, the only thing I see is that ford has a ton of torque management down low. Are you really going to tell me that from 1500-1800 RPM a 6.2L V8 can only make about 20 lb-ft more than a 3.7L N/A V6? Come on now.

Also interesting how they claimed the 5.0 is the "new" motor (when it's based on the Modular series) and the 6.2 was based on an "older" engine design. Even though the 6.2 is the all-new motor.

 

I question that dyno comparison. Reason being, it's a Magazine. And they are out to sell a product. Pure and simple.

I'm hoping a shop will take all 3 motors in otherwise identical trucks (4x4 or 4x2 and same rear gearsets). The show true unbiased #'s. It's amazing the differences you get without the shenanigans and other dyno games played when a company has money on the line

 

I wondered about this too. Why does Ford implement this kind of "torque management?" Is it to save wear and tear on parts that are only rated to tolerate a certain amount of torque (to prolong the longevity of transmission, etc.)? What happens when aftermarket tuners remove or relax the factory torque management (do parts start failing or wearing sooner, other than tires of course! )

 

Check out this link and make sure you read the whole thing in order to get the full benefit of what's being said. I don't have any real knowledge about Dyno testing but, if a company is performing a dyno test in the presence of a Ford engineer, then it must be pretty accurate.

http://www.google.com/url?sa=t&rct=j...J1BQv3TaZ8MczQ

 

They were fiddling with it

Dynojets always read higher than a "mustang" dyno like the one used in the article. The fact that they got similar #'s just proves it

Then the fact that they were playing with gear selection...utter crap. You put the trans in the gear that gives you a 1:1 ratio. Not a gear that some Ford engineer calculates will give the best HP/TQ numbers

Proved nothing more than showing that I shouldn't trust that magazine. Nicely packaged, but still male bovine fecal matter

 

You can't choose a gear that gives 1:1, the 6R doesn't have a 1:1, and if you did, you'd plow into the speed limiter.

More than likely 2nd gear is probably the most efficient gear of the 6R

 

6.2, 4x4, 4:30 gears in a ext cab f250. All sitting on 35 or 37" tires. Thats what is getting ordered in March. It will replace my 06 f150 5.4 3v. Simplicity is what makes this loyal Ford man happy. I sure do miss the 351w

 

https://www.ford-trucks.com/specs/20...d-f-150-1.html

4th gear is very close. 1.14:1 in 4th vice 2:34:1 in 2nd

you bet 2nd is more efficient
I won't believe anything these companies post until a reputable tuner does the testing. One with nothing on the line except curiosity about the #'s. Speed limiters are very easy to kill btw. Surprising that a "Ford Engineer" wouldn't do that so a real test could be performed

 

So many haters of the 3.5L engine. All I can say is drive one with the 3.73 axles. No, the engine doesn't make much noise and it won't give you whiplash either while it's gets the job done. But, too each their own.