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Old 08-01-2019, 10:49 AM   #1
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7.3L gas official power numbers released

435 hp / 475 lbs-ft:

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Name:	2020-ford-f250-7.3-liter-gas-v8-power-curve-1320x908.jpg
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ID:	255407

Whats worrisome with the F53 is they have what's looks like a lower power tune for E-series and commercial at 350 hp / 468 lbs-ft not sure if the F53 is getting that instead, wouldn't be surprised.

More info: https://www.tfltruck.com/2019/08/we-...xpected-video/
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Old 08-01-2019, 11:23 AM   #2
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Pretty impressive!
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Old 08-01-2019, 12:32 PM   #3
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Pretty impressive!


I think it is as well
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Old 08-01-2019, 12:52 PM   #4
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Originally Posted by jharrell View Post
435 hp / 475 lbs-ft:

Attachment 255407

Whats worrisome with the F53 is they have what's looks like a lower power tune for E-series and commercial at 350 hp / 468 lbs-ft not sure if the F53 is getting that instead, wouldn't be surprised.

Did I miss the part where they said the E-series would only have the 350hp engine? I mean, I know they said that would be the commercial rating. I don't know what they consider the e350 and e450. I was hoping that was more the F650 rating.
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Old 08-01-2019, 12:54 PM   #5
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Well, if it is naturally aspired, running on regulator pump gas, it is amazing. Not many trucks or MHs will be running WFO very much. If you look at the torque at 3,000 RPM, its right at 200 FTs. The V10s are putting out that much, or more at the same RPM. Just say'n the factory is very optimistic with numbers.
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Old 08-01-2019, 01:07 PM   #6
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I like it.
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Old 08-01-2019, 01:07 PM   #7
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Well, if it is naturally aspired, running on regulator pump gas, it is amazing. Not many trucks or MHs will be running WFO very much. If you look at the torque at 3,000 RPM, its right at 200 FTs. The V10s are putting out that much, or more at the same RPM. Just say'n the factory is very optimistic with numbers.
Are you looking at the HP line on the chart? It looks like 250HP at 3k RPM, and nearly 450 lb-ft of torque.

I'd say that mine is fully floored more often in my RV than in my pickup, but maybe I'm a bit aggressive.
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Old 08-01-2019, 01:22 PM   #8
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Dirtrider, you are correct, I had the curves reversed.
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Old 08-01-2019, 01:44 PM   #9
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Originally Posted by wildmanbaker View Post
Well, if it is naturally aspired, running on regulator pump gas, it is amazing. Not many trucks or MHs will be running WFO very much. If you look at the torque at 3,000 RPM, its right at 200 FTs. The V10s are putting out that much, or more at the same RPM. Just say'n the factory is very optimistic with numbers.
I think you're looking at the wrong line. The torque is over 400 Ft-lb from 1500 rpm on up which would be a dramatic improvement over the V10 assuming they don't significantly derate the engine in F53 chassis because of the constant load compared to a truck, which I think will be likely.
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Old 08-01-2019, 01:47 PM   #10
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Are you looking at the HP line on the chart? It looks like 250HP at 3k RPM, and nearly 450 lb-ft of torque.
Torque is what gets you up the next hill !

This engine combined with the 10 speed automatic should be a fantastic package !!
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Old 08-01-2019, 04:14 PM   #11
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Old 08-01-2019, 04:49 PM   #12
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Wow, call me unimpressed,
The 7.3lL heavy truck engine now puts out as much power as a 1/2 ton pickup with a 3.5L ecoboost??

Glad I bought in 19 and didnít wait. The torque curve is very broad though. Thatís a good thing. Letís hope it at least has a nice V8 exhaust note.

Maybe they will hit 6oo ft lb torque at 2500rpm when the mid year 2040ís are introduced.
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Old 08-01-2019, 06:08 PM   #13
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F53 will have the 6 speed trans...no 10 speed, bummer.
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Old 08-01-2019, 06:36 PM   #14
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Quote:
Originally Posted by wildmanbaker View Post
Well, if it is naturally aspired, running on regulator pump gas, it is amazing. Not many trucks or MHs will be running WFO very much. If you look at the torque at 3,000 RPM, its right at 200 FTs. The V10s are putting out that much, or more at the same RPM. Just say'n the factory is very optimistic with numbers.

i dont now about what rpms the f53 will be turning...but last months motorhome tested a tiffin gas coach with 6.17 ( or so ) rear gear set, so that means the engine it turning some darn high rpm at 55 mph
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