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Old 03-01-2020, 10:54 AM   #31
jpd80
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Default Re: Ford's 2019 7.3L pushrod V8

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Originally Posted by Bossxr8 View Post
Looks like that graph goes to 6000 rpm. It’s definately not an low rpm slugger. Holds that torque well across the rev range.
A lot of that is being achieved with 14.7: mixture strength to keep the engine efficient,
that and the derating ~30 HP/30 lb ft that applies to Super Duty ratings.

The same engine in F150 with no tune change suddenly becomes 460 HP /505 lb ft.

Those big 4.22" bores and the guy who did the Coyote heads also did these wedge heads.
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Old 03-01-2020, 11:58 AM   #32
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Default Re: Ford's 2019 7.3L pushrod V8

Being mated to a 10 speed will also be a huge benefit.

But its sump depth will need a rethink to suit transplants.

https://media.ford.com/content/fordm...y-pickup.html#
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Old 03-01-2020, 12:05 PM   #33
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Default Re: Ford's 2019 7.3L pushrod V8

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Originally Posted by jpd80 View Post
A lot of that is being achieved with 14.7: mixture strength to keep the engine efficient,
that and the derating ~30 HP/30 lb ft that applies to Super Duty ratings.

The same engine in F150 with no tune change suddenly becomes 460 HP /505 lb ft.

Those big 4.22" bores and the guy who did the Coyote heads also did these wedge heads.
That's the key, the engine is almost making peak torque while operating in stoich AFR. Most other engines would drop into open loop mode and AFR's drop into low 12's to high 11's (or richer depending on TPS) in order to develop peak torque, and have the fuel consumption penalty.
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Old 03-01-2020, 01:10 PM   #34
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Default Re: Ford's 2019 7.3L pushrod V8

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Originally Posted by Bossxr8 View Post
Looks like that graph goes to 6000 rpm. It’s definately not an low rpm slugger. Holds that torque well across the rev range.
Yeah it looks like it will have the benefit of both low and high rpm. I haven’t seen the graph for the commercial application, which will peak at 350hp / 468 lb-ft.
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Old 03-01-2020, 04:32 PM   #35
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Default Re: Ford's 2019 7.3L pushrod V8

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Yeah it looks like it will have the benefit of both low and high rpm. I haven’t seen the graph for the commercial application, which will peak at 350hp / 468 lb-ft.
There’s actually three of them, 300hp, 350 hp and premium 430 hp. E Series cutaway gets the first two as replacements for previous engines while Super Duty stripped chassis F53 & F59 get the latter two. It’s basically the same engine but just different sustained
power ratings.
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Old 10-01-2020, 06:32 PM   #36
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Default Re: Ford's 2019 7.3L pushrod V8

7.3 with a performance exhaust
https://youtu.be/guCmsvGfktU
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