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Old 09-30-2022, 07:16 PM   #1
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Auto Engine Break (Brake)

A bit of a newbie here. Have a 2023 Thor Magnitude. Live in the mountains and have a full size truck as toad. Can I leave the auto engine break on while driving on a longer journey with flat lands and mountains or do I only turn on as needed?

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Old 09-30-2022, 07:47 PM   #2
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A bit of a newbie here. Have a 2023 Thor Magnitude. Live in the mountains and have a full size truck as toad. Can I leave the auto engine break on while driving on a longer journey with flat lands and mountains or do I only turn on as needed?
Leave it on unless there is a local ordinance against engine brake use.
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Old 09-30-2022, 08:15 PM   #3
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Thank you very much!!!
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Old 09-30-2022, 10:04 PM   #4
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I hope to never turn on an engine break.
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Old 09-30-2022, 10:09 PM   #5
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Haha! It’s about 70% of our drives.
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Old 09-30-2022, 10:19 PM   #6
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I hope to never turn on an engine break.
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Old 10-01-2022, 01:11 AM   #7
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Haha! Itís about 70% of our drives.
And the engine still runs?



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Old 10-01-2022, 01:58 AM   #8
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Nope. 2023 and already failed. ����*♂️
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Old 10-01-2022, 02:36 AM   #9
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Nope. 2023 and already failed. ����*♂️
Should have used the engine brake instead of the engine break.

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Old 10-01-2022, 04:35 AM   #10
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A bit of a newbie here. Have a 2023 Thor Magnitude. Live in the mountains and have a full size truck as toad. Can I leave the auto engine break on while driving on a longer journey with flat lands and mountains or do I only turn on as needed?
Didn't own that motorhome or a Ford, but did have GMC diesel duallies towing 40' 5th wheels, every time I turned the key to haul them I depressed the tow/haul button & turned on the engine brake which is the same procedure I'd recommend to you. I think you'll find that saves the transmission, the brakes & more often than not fuel mileage as well relieves some driving strain from the driver.
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Old 10-01-2022, 09:24 AM   #11
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Thank you very much. I appreciate that.
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Old 10-01-2022, 07:50 PM   #12
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Auto Engine Break

I have a Ď20 Magnitude SV34. When towing I use the Tow Haul Mode. I only engage the Engine Brake (Automatic) when I am traveling through hills / mountains.

You should use both together. There is a Manual and Automatic Engine Brake mode for the Ford Super Duty 6.7L. The Automatic mode remembers your speed and holds it there. Manual mode is more aggressive and engages as soon as you remove your foot from the accelerator.
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Old 10-01-2022, 10:55 PM   #13
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Excellent!! Thank you for this. What “grade” would you engage the engine brake? I assume it’s a judgement?
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Old 10-02-2022, 01:23 AM   #14
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Auto Engine Break

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Excellent!! Thank you for this. What ďgradeĒ would you engage the engine brake? I assume itís a judgement?

It is somewhat judgement but certainly when ever I see a sign that says 5% or more I will engage it.

The Automatice Engine Brake works great. I can have the cruise set to 55 and never touch the pedals. Last week I drove from Flagstaff to Phoenix down I-17 and while others were on their brakes, I wasnít touching either pedal.
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Old 10-02-2022, 02:06 AM   #15
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It is somewhat judgement but certainly when ever I see a sign that says 5% or more I will engage it.

The Automatic Engine Brake works great. I can have the cruise set to 55 and never touch the pedals. Last week I drove from Flagstaff to Phoenix down I-17 and while others were on their brakes, I wasnít touching either pedal.
Seconded!

We live out here in the west, and I engage the engine brake whenever we're going downhill, and almost always on automatic. When you brake to the desired speed, the engine brake holds you within a few miles of that target, and works like a champ. No wear on the brakes, just a smooth controlled descent.

On the return leg of our SC trip, we dropped out of the Sangre de Cristo mountains to Delta. 8% grades much of the way, and I felt bad for all the RV drivers riding their brakes.

When towing the Jeep of course, we always have her in tow/haul mode.
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Old 10-02-2022, 02:07 AM   #16
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Very nice!!! I really appreciate the feedback.
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Old 10-05-2022, 07:17 PM   #17
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Didn’t know you could turn it off can someone explain how to do this?
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Old 10-05-2022, 07:19 PM   #18
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Auto Engine Break

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Didnít know you could turn it off can someone explain how to do this?

If you have an F-550 / 600 there is a button on the console above the radio that allows you to have the Engine Brake either Off, On - Manual or On - Automatic.
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Old 10-05-2022, 07:33 PM   #19
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DrivinyModes

It would have been nice if the dealership wouldíve told me about all the drive modes. I didnít know about the wet, eco and snow/ice mode until a few weeks ago.
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