New Ford 7.3 gas with 3.55 / 3.73 rear end

[9452772]

Hi All,

I have been keeping an eye on the new 7.3 gas engine from ford since it came out. In the beginning you could build the truck on there website and select the 7.3 rear end as a option. Now the only option is the 3.55 and 4.3 rear end. I have also noticed that new deliveries to dealers do not have the 3.73. Some of the dealers still have the 3.73 but appears that they are not getting 3/73 anymore.

Does anyone know why ford has eliminated the 3.73 rear end as a offering with the 7.3 gas engine?

Thanks

[westtexducks]

You in a f350 or f250 looking for that rear end? Maybe that is the difference ?

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[Javelin]

I am almost certain the only options now are 3.55 or 4.30

[Deers & Beers]

Just get the 4.30s. my Excursion has a 6.8L with 4.30s and theyre awesome. I can't imagine running 3.55s or 3.73s again. I could get away with 4.10s if I had too... Will take some load off the tranny too. If you pick any bigger tires at all (33"+) you're going to want them. 35" + 4.30s is absolutely a perfect match

[Javelin]

Just get the 4.30s. my Excursion has a 6.8L with 4.30s and theyre awesome. I can't imagine running 3.55s or 3.73s again. I could get away with 4.10s if I had too... Will take some load off the tranny too. If you pick any bigger tires at all (33"+) you're going to want them. 35" + 4.30s is absolutely a perfect match

Agree 100%. I wish the ram I just ordered could have had 4.30. All ram has is 3.73 or 4.10

[stxhunter]

Can’t answer your question, but just picked up this F-250 with the 7.3L and 4.30. With almost 3klbs of payload, should be plenty for my needs!




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[Mudslinger]

3.55 or 4.30 in an F250. You can get the 3.73 in an F350, have one sitting in my drive! 7.3 gasser.

[FireNguns]

Can’t answer your question, but just picked up this F-250 with the 7.3L and 4.30. With almost 3klbs of payload, should be plenty for my needs!




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Sharp truck. What is the biggest gas tank you can get in the tremor package? That’s what I want but different color
Would love to hear your real world mpg reports.

[9452772]

Thanks for all the replies. I was just curious if anyone new why Ford took the 3.73 away? I would get the 4:30 gears but have yet to find one at a dealer. At least not with a long bed. Will keep looking.

[Mike D]

Thanks for all the replies. I was just curious if anyone new why Ford took the 3.73 away? I would get the 4:30 gears but have yet to find one at a dealer. At least not with a long bed. Will keep looking.

Are you looking at F250 or F350?


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[CWendling]

Ill say this, when i got my 6.2 f250 2 years ago, there were no dealers in texas that had 4.30s or would/could order it. Closest dealers were four corners, NM and Springfield, MO. So set up over phone, a $200 plane ride, i went to Springfield, 5hrs later I was back in Dallas.

[stxhunter]

Sharp truck. What is the biggest gas tank you can get in the tremor package? That’s what I want but different color
Would love to hear your real world mpg reports.

34gal tank is the only size offered. I’ve got about 300miles on the truck, sitting right at 13mpg which is exactly what I was expecting.


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[TX03RUBI]

Sharp truck. What is the biggest gas tank you can get in the tremor package? That’s what I want but different color
Would love to hear your real world mpg reports.

Fuel tank sizes aren’t optional in these trucks. It’s based on bed size and cab size. Short bed crews get 34, and long bed crews get 48.

[9452772]

Are you looking at F250 or F350?


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Does not matter. I am downsizing from a 2007 GMC crew cab dually. Basic requirements are gas engine, crew cab, long bed and 4x4. Most likely will get the 6.2 but would not turn down a 7.3 if the right deal came along. Also looking at used down to 2018.


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[westtexducks]

Does not matter. I am downsizing from a 2007 GMC crew cab dually. Basic requirements are gas engine, crew cab, long bed and 4x4. Most likely will get the 6.2 but would not turn down a 7.3 if the right deal came along. Also looking at used down to 2018.


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I just went to the ford builder website and built out a crew cab 2020 f350 4x4 with the 3.73 rear end. They probably took it away as an option for the f250s since they have less payload capacity.

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