Me Again
AZ - Summer in NW WA
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4x4ord wrote:I think the secrete to better grade braking is electric axles on the trailers. Charge the batteries on the way down and help pull
on the way up.
I do not think many owners realize that Fords going down a hill on cruise control or ACC that the truck applies the service brakes including the trailer brakes. This could lead to overheating the trailer brakes without the driver realizing it. I am not sure if the others GM and RAM are the same now. I sure miss my 2015 RAM's exhaust brake going down passes and hills(always had nice cool service brakes) on my yearly commute to AZ and back to Wa.
![[image]](https://i.imgur.com/zEgHlvpl.jpg)
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Grit dog
Black Diamond, WA
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^ACC makes sense. But It does it on regular cruise control too? That sucks….but I don’t doubt it.
The amount of “features” to save a driver from themselves is out of hand.
G**d*** Ralph Nader! Lol.
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liamricci
Texas
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It's fascinating to see the 2023 Power Stroke and 2023 Ram Cummins in a towing challenge. Both engines are known for their towing capabilities and performance. However, if you're looking to enhance the performance of your 6.7 Power Stroke, you might consider the ccv mod 6.7 powerstroke (Crankcase Ventilation Mod). This modification can improve the engine's efficiency and longevity by reducing oil and soot buildup in the intake system.
* This post was
edited 08/04/23 04:43pm by liamricci *
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Huntindog
Phoenix AZ
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Cummins12V98 wrote:North bound I-5 coming into OR I drop into 3rd and it holds easily 50-55mph using cruise set a few mph lower than desired speed. I do apply the brakes on the 50mph curves. Brakes are cold and drops speed fast. Decending from Jacob Lake towards Page and Flagstaff has some 30 MPH switchbacks. One really scary one with no guardrail. A mistake there and you will scream a long time before you die. I do this at least twice a year using only the exhaust brake. I select the gear I want manually. Because I have eyes and can see the curves approaching.
I am pretty heavy as well. Easily over 30K
Huntindog
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Cummins12V98
on the road
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Huntindog wrote:Cummins12V98 wrote:North bound I-5 coming into OR I drop into 3rd and it holds easily 50-55mph using cruise set a few mph lower than desired speed. I do apply the brakes on the 50mph curves. Brakes are cold and drops speed fast. Decending from Jacob Lake towards Page and Flagstaff has some 30 MPH switchbacks. One really scary one with no guardrail. A mistake there and you will scream a long time before you die. I do this at least twice a year using only the exhaust brake. I select the gear I want manually. Because I have eyes and can see the curves approaching.
I am pretty heavy as well. Easily over 30K
Nice you understand your brain works better than the trucks!!!
Somewhere in the Rockies I hit a down hill for several miles at 14%. Locked in 2nd and easily descended without brake applications.
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4x4ord
Alberta
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I don't travel over very many highways with long steep down hill grades other than the Kootenay pass in BC. It is long .... 19 miles long. The average grade over that 19 miles is just under 4% but there are very short sections that hit over 13%. Towards the top of the pass is a 2.5 mile section that averages 7.7% grade. I've descended that grade a number of times at 21 - 25k lbs gross with various trucks. Even my '03 Duramax at 21k lbs gross and no exhaust brake held back at about 40 mph and 5100 rpm without using brakes. If you go slow enough you don't need an exhaust brake. ![[emoticon]](http://www.coastresorts.com/sharedcontent/cfb/images/biggrin.gif "biggrin")
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4x4ord
Alberta
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Me Again wrote:4x4ord wrote:I think the secrete to better grade braking is electric axles on the trailers. Charge the batteries on the way down and help pull
on the way up.
I do not think many owners realize that Fords going down a hill on cruise control or ACC that the truck applies the service brakes including the trailer brakes. This could lead to overheating the trailer brakes without the driver realizing it. I am not sure if the others GM and RAM are the same now. I sure miss my 2015 RAM's exhaust brake going down passes and hills(always had nice cool service brakes) on my yearly commute to AZ and back to Wa.
It seems to me that the computer calculates brake temperature using speed and brake line pressure and will give a warning before the brakes get hot. Although I don't like to rely on the computer to apply my brakes without knowing what is going on I think it does function in a fairly responsible manner. When the brakes are applied the transmission downshifts to bring the engine revs fairly high .... if another brake application is necessary it will downshift further. When it does apply the brakes, it stabs the brakes slowing the truck down a bit and then releases them (it does not constantly apply brake pressure). If the auto EB function is used instead of cruise control, it downshifts fairly aggressively and then allows the engine to rev to the red line to make maximum use of the EB before applying wheel brakes.
* This post was
edited 08/03/23 12:05pm by 4x4ord *
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