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09-20-2020, 08:28 PM
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#21
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Senior Member
Join Date: Feb 2018
Location: Monticello, IL
Posts: 1,696
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Quote:
Originally Posted by Sgt. Schultz
Do you have a special orders truck? F-350 srw, 6.2L 10 speed trans this is not an available option AFAIK - you should have the 6 spd with the 6.2 - the tow/haul is helps the computer in your truck in selecting shift points
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Look at my screenshot from the Ford website literally right above your reply.
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2017 GMC Canyon - CCLB, 4x4, 2.8L Duramax, ARE Z-series shell
2013 Shamrock 21SS
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09-20-2020, 08:43 PM
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#22
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Senior Member
Join Date: Oct 2010
Posts: 277
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Looking at the site for Canadian trucks the 6.2 and 10spd is a no go - TorqShift heavy-duty 6-speed automatic with SelectShift (F-250 6.2-liter gas only
https://media.ford.com/content/dam/fordmedia/North%20America/US/product/2020/f-series-super-duty/2020-Super-Duty-Tech-Specs.pdf
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PT Avenger 33BHS-TE
2020 f-250
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09-20-2020, 08:47 PM
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#23
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Senior Member
Join Date: Feb 2018
Location: Monticello, IL
Posts: 1,696
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Maybe a dumb question?
Quote:
Originally Posted by Sgt. Schultz
Looking at the site for Canadian trucks the 6.2 and 10spd is a no go - TorqShift heavy-duty 6-speed automatic with SelectShift (F-250 6.2-liter gas only
https://media.ford.com/content/dam/fordmedia/North%20America/US/product/2020/f-series-super-duty/2020-Super-Duty-Tech-Specs.pdf
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You’re misreading that. It says the 6.2 and 6-speed are only available with the F-250, the standard powertrain for the F-350 is the 6.2 and 10-speed.
Says 6.2 and 10-speed right on the website.
https://www.ford.com/trucks/super-duty/models/f350-xl/
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2017 GMC Canyon - CCLB, 4x4, 2.8L Duramax, ARE Z-series shell
2013 Shamrock 21SS
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09-20-2020, 09:09 PM
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#24
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Senior Member
Join Date: Oct 2010
Posts: 277
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Quote:
Originally Posted by DieselDrax
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Just finished build on my truck 4 weeks ago - 6.2 and 10 spd was not available had to accept 6 spd - as you note this is a 250 limitation - I stand corrected
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PT Avenger 33BHS-TE
2020 f-250
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09-20-2020, 09:21 PM
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#25
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Senior Member
Join Date: May 2017
Posts: 5,712
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Pulling that small trailer with that truck ? Do you even have to take it out of Park ?
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09-20-2020, 09:42 PM
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#26
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Senior Member
Join Date: May 2018
Location: Texas
Posts: 1,371
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TV
What I was told from several Ford dealers in North Texas was, yes it shows on the Ford site that the 10 speed/6.2 is available on the F-350. But, they were filling orders for the 7.3 and 6.7 trucks first. Makes sense, around here it is very hard to find a F-350 that the dealer has not optioned out w/ an additional $10k of factory goodies. Also, the ratio the dealers have on the lots is now about 20-F-250s to 1 F-350. When I took mine in for service last month, dealership had 1 F-350 on lot, a 7.3. People buying them w/ the run on RVs? When I bought mine I looked for 6 months to find a good deal-Lariat diesel. That was early in the year, so they must be available now w/6.2/10 speed. I suspect around here, it will be a "rare bird" special ordered.
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09-20-2020, 10:21 PM
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#27
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Senior Member
Join Date: Jul 2017
Posts: 4,041
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Quote:
Originally Posted by JRBME
Interesting. 140 is too cold. Need a thermostatically controlled heat exchanger...
Is the transmission an electro shift type thing? I had VW that probably ran that cool. Slick toy it was.
I'll assume that the trans cooler doesn't mingle with the engine cooling system.
Some of these modern gizmos are curious.
More research is in order.
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Nothing wrong with 140 . no need for anything the cooler the better . this is not a tranny that has a thermostat . my 19 2500 chevy 6.0 runs 135 to 140 all day long . perfect for any large truck tranny .
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09-20-2020, 10:45 PM
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#28
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Senior Member
Join Date: Jun 2017
Posts: 2,514
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Remember weight isn’t the biggest reason why the engine works so hard. It’s the 8x8 wall your pulling behind you. Not to mention good possibility that the down draft from all the wind the truck cab pushed away is adding more resistance. Saw an episode of myth busters did the myth of dropping tail gate saved mpg. If I remember correctly it dropped the mpg because of the down draft hitting the tailgate. That said my memory isn’t the greatest and I think they used a Mazda or Ford Ranger so size of truck could effect it.
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2022 Chevy 3500 Diesel SWD
2022 Columbus 329 DVC
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09-21-2020, 05:46 AM
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#29
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Senior Member
Join Date: Mar 2016
Posts: 120
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Not saying that the OP needs to use Tow/Haul with that trailer. But the Tow/Haul feature typically does more than change shift characteristics. It will change shift firmness to help eliminate slipping between gears. It will also increase the working pressure of the trans to increase the holding power of the clutches.
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09-21-2020, 07:17 PM
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#30
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Senior Member
Join Date: Aug 2020
Posts: 100
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Quote:
Originally Posted by DSMURPHY
Leave it in standard drive. Your F350 won't even know it's back there.
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I agree. You should be able to get a feel how your truck performs. If it is constantly hunting for gears use Tow/Haul. I don't believe it's going to hurt your mileage much.
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09-22-2020, 01:29 PM
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#31
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Member
Join Date: Aug 2020
Posts: 71
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Not a dumb question.
Using tow/haul mode will help keep the transmission from shifting so much and maybe getting hot. I have a 2018 F-150 with the 5.0L Coyote and a 10 speed. I've tried it both ways. Like tow/haul better. It really just alters the shift points. RPM's are higher at times but it seems to tow better.
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09-22-2020, 11:01 PM
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#32
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Member
Join Date: Aug 2009
Location: Hi in the Rockies
Posts: 70
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With all the money we have tied up in our toys, I can't think that miles per gallon should keep us up at night. Fuel is cheap. And if we elect the right people it will stay cheap.
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09-27-2020, 10:20 PM
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#33
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Senior Member
Join Date: Dec 2017
Location: Western Slope of the Sierras
Posts: 182
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Quote:
Originally Posted by SlowrideHD
I think one advantage of using tow/haul mode is that your torque converter is locked while using it. My fuel mileage isn't any different using it or not using it.
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Most vehicles with tow mode disable the torque converter clutch. Some towing modes prevent overdrive while others allow it.
Tow mode typically creates firmer shifts and different shift points. This keeps the engine in a higher power state and keeps the transmission from slipping, prolonging transmission life.
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09-27-2020, 10:27 PM
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#34
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Senior Member
Join Date: Feb 2018
Location: Monticello, IL
Posts: 1,696
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Quote:
Originally Posted by DavidWJ
Most vehicles with tow mode disable the torque converter clutch.
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Not sure what you're trying to say here, the TCC is not disabled in tow/haul mode as that would allow the torque converter to slip and generate heat. The TCC being locked prevents TC slip which helps keep the transmission cool. The Tow/Haul mode logic varies by vehicle, but in some vehicles the TCC is engaged earlier and stays engaged under more conditions/speeds when T/H is enabled compared to when T/H is disabled in order to help keep the trans cooler.
Yes, some T/H modes limit the upper gear (Not necessarily overdrive as a whole as nearly all modern transmissions have multiple overdrive gears), some increase the line pressure to firm up shifts and reduce friction which reduces heat, some hold gears longer when accelerating and downshift sooner, etc. Just depends on the vehicle, but the TCC will not be disabled/disengaged as that would hurt and not help.
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2017 GMC Canyon - CCLB, 4x4, 2.8L Duramax, ARE Z-series shell
2013 Shamrock 21SS
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