7.3L / 6.8L V8 Gasoline Engines Discuss the new 7.3 and 6.8L Gasoline V8s

7.3L kill resale value of 6.2L

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  #151  
Old 02-08-2019, 06:46 PM
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Originally Posted by kry226
Small point: I thought I saw two plugs per cylinder on the TFL video, no?
Look at the photos posted...only one plug per cylinder.
 
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Old 02-08-2019, 06:51 PM
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Originally Posted by psdxohio


The XL model with the 6.2 will have the 6 speed automatic. The 6.2 in other models and the 7.3 in all models with come with the 10 speed automatic.
No, I’m pretty sure F250 models with the 6.2 will have the 6-speed. Probably the 6R100 and not the 6R140, just like today. Trim won’t matter. I believe this was mentioned in the video.

Originally Posted by Busa 1 Dave
Did you watch the 30 minute presentation by the Ford project engineer explaining the development process of the new engine and materials used in this new motor?
Yes I did. They developed it based on stoichiometry and the 10 speed. Doesn’t change the basic design of the engine being extremely simple.
 
  #153  
Old 02-08-2019, 06:54 PM
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Originally Posted by troverman
...Doesn’t change the basic design of the engine being extremely simple.
And sexy...
 
  #154  
Old 02-08-2019, 07:51 PM
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Originally Posted by dtaylor1
Does anyone think the new 10 speed will have start and stop like the F150? That might be the difference in MPG to the 6.2L motor. Plus people like me ordered the 6.2 with 4:30 gears. Maybe we could get the same performance with 3:73 with the bigger motor..
For start stop to work seamlessly, it's usually done using direct injection. This allows stopping the engine at or very near TDC of any given cylinder & only needing to fire that injector to get the engine started again mostly without using the starter motor.
 
  #155  
Old 02-08-2019, 11:43 PM
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Originally Posted by troverman


Look at the photos posted...only one plug per cylinder.
I did. But I admit that I'm no engine architecture expert. That's why I asked the question. Are we sure there's no spark plug under the coil pack? My BMW N55 has a "coil-over-plug" set-up.
 
  #156  
Old 02-09-2019, 02:43 AM
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I had a 15' 6.2 and it was a great engine compare to the 351w I had in my 86 f-250.
Once I got the 6.7 there's no going back to the gassers! They flat out just lack power in the lower / mid rpms where diesel make all of it. My bro got a 18' 6.2 and it's a ****ing turd! But better than the previous gen 6.2! every time I drive it it feels like I'm hauling 30k with it.
the 7.3 gasser is awesome for the ppl that don't want the diesel . but I think they should just faze out the 6.2 after the bugs are worked out of the 7.3. No point to offer 2 gas engines in superdutys . 6.2 held its own keeping up with the out dated GM 6.0 " awesome engine" and 5.7 hemi . The 6.4 hemi Is alright but there's a reason why they offer the 5.7 in 3/4 and 1 ton trucks . And gas mileage is not part of that . Who cares about 1-2mpgs!
my brother has already said he's getting the 6.7 or depending on how the 7.3 is he's not looking back into the 6.2 option.
the cost of owning a diesel is I think blown out of proportion, u buy it new, it's under warranty. if ur putting a lot of miles on the truck either u make good money with it or your retire and have money. I'm prob wrong but either way u spending over 50k for a trim level lariat and above with a gasser or diesel still a lot of money at the end of the day . Enjoy the pic 🗽
 
  #157  
Old 02-09-2019, 07:30 AM
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I've had 2 gas trucks then last 3 have been diesel. So I've been used to the diesel and hauling with them. This summer, my dad's gas truck was hooked to a trailer and I had to haul a not to heavy load with it. Wow! With mine, I've never had to even push it up our hills. With his, I really had to hit the gas. I forgot how much difference there is. I had entertained thoughts on switching back to gas before this. The 7.3 would be better but still half of the diesel.
 
  #158  
Old 02-09-2019, 07:36 AM
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I just purchased my first diesel. 2019 F-350 CCSB. All I have to say is, what an amazing truck. Coming from all gas rigs I am very pleased

matt
 
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Old 02-09-2019, 08:24 AM
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Originally Posted by Mkos1980
Although this is a GM note again, I looked back at the MSRP option for the 8.1 Allison over the 6.0/4L80 for the 2500HD back in 06 and it was $1,950 The Duramax was 3k more then the 8.1. I think it'll be about the same for the 7.3 esp when it comes with a different trans as well...

All Super Duty trucks equipped with the 6.2 engine will come with the 10 speed automatic, except for the XL model.
 
  #160  
Old 02-09-2019, 08:38 AM
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Originally Posted by troverman
Look at the photos posted...only one plug per cylinder.
Sure looks like two plugs per cylinder. One under the coil pack and another extended from of it via a plug wire. You really don't think so?

.
 
  #161  
Old 02-09-2019, 08:57 AM
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Ram discontinued the 5.7l hemi for the 2019 and beyond HD ram truck. Its replaced by the 6.4l. If Ford meets the power and fuel economy ratings without a big upcharge this will be a huge hit. For those that think Ford wants to sell diesels more...they dont. They want to sell trucks that are most proffitable. Diesel development, warranty cost them much more margin dollars then gas engines. They would be perfectly happy selling whatever makes them the most money. This 7.3l will be more profitable then 6.7l will be for Ford.
 
  #162  
Old 02-09-2019, 09:00 AM
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Originally Posted by h20camper
Sure looks like two plugs per cylinder. One under the coil pack and another extended from of it via a plug wire. You really don't think so?

.
I think the coil packs are just mounted to what appears to be the valve covers. I guess there could be a plug under there but I doubt it. I will say that the plugs on the 7.3 look like they'll be a lot easier to change than the 6.2.
 
  #163  
Old 02-09-2019, 09:49 AM
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Originally Posted by MBfixer
For start stop to work seamlessly, it's usually done using direct injection. This allows stopping the engine at or very near TDC of any given cylinder & only needing to fire that injector to get the engine started again mostly without using the starter motor.
That's not really true...the starter motor is still extremely important. Ford themselves admitted they significantly upgraded the starter on the 2015 F-150 2.7L EcoBoost engine to be rated for 240,000 start cycles before needing replacing. They also added an AGM battery to better handle discharging caused by repeated start cycles. Although I agree DI works best, the starter still cranks, because there's no way to precisely stop the engine at a given point when it's running.

Originally Posted by kry226
I did. But I admit that I'm no engine architecture expert. That's why I asked the question. Are we sure there's no spark plug under the coil pack? My BMW N55 has a "coil-over-plug" set-up.
Originally Posted by h20camper
Sure looks like two plugs per cylinder. One under the coil pack and another extended from of it via a plug wire. You really don't think so?

.
Guys, take a look at this screenshots. There's no plug down there.



 
  #164  
Old 02-09-2019, 10:05 AM
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Powertrain warranty is only 5 years or 60,000 miles. Majority of the time, by the time warranty expires is when expensive problems start to happen. So would you rather cough up several thousand to fix a one or two things on a PowerStroke or several thousand to just about rebuild the gas engine?

For whatever reason people assume that warranty covers oil changes (some People's kids I swear). Oil changes on the 6.7L should be done around 7500 miles with use of BioDiesel (which pretty much includes diesel in the Midwest), as well as use a 5w40 synthetic oil when using biodiesel (RTFM) or using the truck in severe duty (city driving, towing, hauling).
 
  #165  
Old 02-09-2019, 10:11 AM
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Originally Posted by Frdtrkrul
Powertrain warranty is only 5 years or 60,000 miles. Majority of the time, by the time warranty expires is when expensive problems start to happen. So would you rather cough up several thousand to fix a one or two things on a PowerStroke or several thousand to just about rebuild the gas engine?

For whatever reason people assume that warranty covers oil changes (some People's kids I swear). Oil changes on the 6.7L should be done around 7500 miles with use of BioDiesel (which pretty much includes diesel in the Midwest), as well as use a 5w40 synthetic oil when using biodiesel (RTFM) or using the truck in severe duty (city driving, towing, hauling).
Warranty is 100k miles on the diesel, only 60k for the gasser.
 


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