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 > Curiosity caught the Cheshire cat

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rhagfo

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Posted: 12/10/20 07:25am Link  |  Quote  |  Print  |  Notify Moderator

Hannibal wrote:

kellem wrote:

Word on the street is Fords new 10spd is allowing truck buyers to tow happily with 3.55 gears instead of 4.30.....tight gear spacing.

I fell victim to the 10spd and 7.3, ouch.


Me too. Love the new truck with 7.3L, 10spd, 3.55.


This is a lot of it, the 10 speed allows for lower ratios in the lower gears to get moving. So the transmission is making up for the rear end.


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Grit dog

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Posted: 12/10/20 09:42am Link  |  Quote  |  Print  |  Notify Moderator

Hannibal wrote:

kellem wrote:

Word on the street is Fords new 10spd is allowing truck buyers to tow happily with 3.55 gears instead of 4.30.....tight gear spacing.

I fell victim to the 10spd and 7.3, ouch.


Me too. Love the new truck with 7.3L, 10spd, 3.55.


Which is a yuuuuge step up from your old truck, but I suspect kellem was talking tongue in cheek, because the deep gears behind the 7.3 make it a monster and with the 10 speed and rpms for days it can run 4.30s no problem and still have low rpms running bobtail.


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dodge guy

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Posted: 12/10/20 10:56pm Link  |  Quote  |  Print  |  Notify Moderator

Even with the 10 speed trans, deeper gearing is always best for a gasser. Unless you are towing light, get the 4.30's. Performance will be better and mileage will be about the same!


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Posted: 12/11/20 05:18am Link  |  Quote  |  Print  |  Notify Moderator

I think in the op's case it would be drooly.


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Grit dog

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Posted: 12/11/20 10:02am Link  |  Quote  |  Print  |  Notify Moderator

kellem wrote:

Word on the street is Fords new 10spd is allowing truck buyers to tow happily with 3.55 gears instead of 4.30.....tight gear spacing.

I fell victim to the 10spd and 7.3, ouch.


Ouch?
I say yay!
If one is dropping tht kind of $ on a new truck, using it to tow, has the luxury of a 10 speed with deep OD gears, why would you not choose the best performing, most capable package for basically free?

I would hazard a bet that the fuel economy penalty is miniscule at most and non existent in some conditions (like when towing).

ACZL

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Posted: 12/11/20 11:22am Link  |  Quote  |  Print  |  Notify Moderator

bucky wrote:

I think in the op's case it would be drooly.


Hey now!! LOL Never hurts to look. Reminds me of a saying from a former semi driver (RIP) who said while dining out with his wife and a good looking lady walks by: "Just because I'm on a diet doesn't meant I cannot look at the menu".


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Posted: 12/11/20 04:36pm Link  |  Quote  |  Print  |  Notify Moderator

ACZL wrote:

Went past a Ford dealer couple weeks ago and noticed he had 2 SD dallies on the lot. Stopped by the following week to take a gander at them. 1 was a 450 Lariat and the other a 350 XLT. 79 and 70K respectively. Anyways, didn't spend a whole lotta time there, but on the 350 (very well equipped), it was a '21, 4.10 gears and had the 10 speed tranny. So it got me to thinking and perhaps a little drooling too, but what is the RPM difference between a 4.10 6 speed and 4.10 10 speed at 60-70 mph? On my '17 350 w/ the 4.10 6 spd, I'm at 2100 at 70 mph.


With my 7.3L, ten speed and 4.30, I run just under 2,000 rpm at 65 mph. I think the 4.30 and 7.3 is an excellent combination.


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deltabravo

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Posted: 12/11/20 05:55pm Link  |  Quote  |  Print  |  Notify Moderator

Cummins12V98 wrote:

Also wondering what a “DULLY” is???


A DULLY is a non "shiny" truck

[emoticon]


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Cummins12V98

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Posted: 12/12/20 07:46am Link  |  Quote  |  Print  |  Notify Moderator

deltabravo wrote:

Cummins12V98 wrote:

Also wondering what a “DULLY” is???


A DULLY is a non "shiny" truck

[emoticon]


Thanks!!!!


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kellem

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Posted: 12/12/20 01:25pm Link  |  Quote  |  Print  |  Notify Moderator

Interesting, have not heard of anyone complain about their towing experience with the 7.3 regardless of gear ratio but a consistent report of better fuel economy with 3.55 empty....1 mpg still counts.

Note:
I'm towing a 30ft 7500# trailer loaded so from my perspective, like towing a p'up.

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