Numbers Are Out!
Lead Driver
Joined: Jun 2005
Posts: 8,475
Likes: 728
From: Calgary Canada
I like the graph. Agree the 6.2L does better than I suspected, but still a pretty even 50 ft-lbs edge to the 7.3L engine, and if you believe Fords marketing department, it should be more reliable for commercial customers too. Will be a long time before we know if that's bullshoot or not.
Logistics Pro
Joined: Jan 2011
Posts: 4,892
Likes: 3,452
From: Ohio
The high power in the half ton market is for the person who wants to rocket down the onramp and other occasional bursts of speed. Most of them are used as cars with a big trunk. In the heavier segments, the engines have to hold up to nonstop high power output.
The numbers on the 7.3 are only 5% off what was rumored, no big deal. They are also the most ever, so what's to complain about.
The numbers on the 7.3 are only 5% off what was rumored, no big deal. They are also the most ever, so what's to complain about.
Fleet Mechanic
Joined: Oct 2004
Posts: 1,396
Likes: 107
From: Southern KS
Plot of 6.2L (2011-2016) and new 7.3L engine specs
I put the 6.2 and the 7.3 engine specs on the same plot for comparison. Everyone is talking about how the new 7.3 has a nice flat torque curve from 1500 rpm on up but the 6.2 torque curve is actually pretty flat by comparison.
Some notes:
- I used the 2011 to 2016 version of the 6.2 because that is what I own.
- I started the plot at 1500 rpm because that is where the published 7.3 plot begins.
- The 7.3 displacement is about 18% greater than the 6.2 and the torque and HP increase roughly matches this ratio.
Elder User
Joined: Mar 2018
Posts: 510
Likes: 35
No one knows. My bet is Sept 27th +/- a couple days: Tx state fair. But they may hold off closer to launch in Nov.
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Super Moderator
Joined: Aug 2003
Posts: 25,479
Likes: 742
From: Isanti, MN
I always get a laugh at threads like these. In a past life I was a truck driver, rolling 250,000 miles in a semitruck with less horsepower than a modern Super Duty. When loaded heavy, some hills were taken with the pedal on the floor at 35 mph, but I managed, as do professional drivers every single day. These trucks all have far more power than they need for the loads they will ever carry, so these power numbers are good for bragging rights and not much else.
Don't get me wrong, I've never met horsepower didn't like, but perspective is important. Nobody needs 450 hp to pull 20,000 pounds. Makes it a lot more fun, though!
Don't get me wrong, I've never met horsepower didn't like, but perspective is important. Nobody needs 450 hp to pull 20,000 pounds. Makes it a lot more fun, though!
More Turbo
Joined: Dec 2017
Posts: 587
Likes: 6
People who don't understand how it's all delivered only look at peak numbers. Pushing 400ft lbs at 1500rpm is incredible for this type of platform. Lower revs will equate to a longer life. Not to mention the admirable list of over-engineered parts demonstrated at several events.
I'd be surprised if this engine didn't go 300k under good care without needing much of anything other than fluids.
I'd be surprised if this engine didn't go 300k under good care without needing much of anything other than fluids.
Cargo Master
Joined: Apr 2010
Posts: 3,274
Likes: 4
From: Seattle area
The motor does seem to be designed for just fuel, oil and occasional spark plugs for a long life. Pretty cool. I certainly hope Ford gets this right from the start. Ford’s track record on engines is a bit mixed. I’m liking the KISS strategy.
Super Moderator
Joined: Aug 2003
Posts: 25,479
Likes: 742
From: Isanti, MN
I think we can ease up on the Kool-Aid just a little bit…
So far the only thing we are seeing are advertisements and public releases from Ford Motor Company regarding the new engine. Which is great, there's a lot of good information to be gained from them. But for a truck engine, manufacturers will always highlight every possible feature included for the sake of longevity, leading us to believe that this engine will last forever and all of this before it are trash in comparison. There were similar claims made with the first-generation 6.7L PSD, as well as the 6.2L, and they both seem to have held up well.
I agree this is a relatively simple design that should last a long time, but the previous iterations have also been fantastic. More power is always useful, but I wouldn't expect any meaningful increased longevity compared to the 6.2 L. Those things rarely fail before the rest of the truck is no longer worth fixing.
So far the only thing we are seeing are advertisements and public releases from Ford Motor Company regarding the new engine. Which is great, there's a lot of good information to be gained from them. But for a truck engine, manufacturers will always highlight every possible feature included for the sake of longevity, leading us to believe that this engine will last forever and all of this before it are trash in comparison. There were similar claims made with the first-generation 6.7L PSD, as well as the 6.2L, and they both seem to have held up well.
I agree this is a relatively simple design that should last a long time, but the previous iterations have also been fantastic. More power is always useful, but I wouldn't expect any meaningful increased longevity compared to the 6.2 L. Those things rarely fail before the rest of the truck is no longer worth fixing.
Cargo Master
Joined: Apr 2010
Posts: 3,274
Likes: 4
From: Seattle area
Hmm...that’s about 1k too much in my mind. Other than dev costs, can this motor cost much more than the 6.2 to produce? But I guess that’s “value pricing” of options.