Reply
 
Thread Tools Display Modes
Old 05-26-2016, 11:39 PM   #31
Member
 
17Racer's Avatar
 
Join Date: Oct 2015
Posts: 90
There are some great tips that have been presented so far. I like the one telling to put on the air and lights to load the engine, as every little bit can help. I am not impressed by the 50-60mph descents when you have clearly stated the need to obey 25mph warnings.

Getting use to the M mode is very important. And also knowing beforehand what gear will give you what speed at a given rpm. Meaning if you would rather not go over 3,700rpm (as a guess) you should have an idea what the speed would be in different gears. As different gear selections will need to be made on the fly as conditions change.

You could get an idea of what that would be on a level road by using manual and taking each gear up to that rpm and recording what the speed is. Let off and shift to the next gear and repeat. This would give you an idea of what gear would match your preferred rpm range and speed desired for maximum engine braking. And the rest would require the foot braking as has been clearly stated.

Going down a little slower is much better then over speed. Cause remember they always seem to put a stop sign at the bottom of them hills!
__________________

__________________
2014 Forester 2301 - Chevy
17Racer is offline   Reply With Quote
Old 05-27-2016, 09:48 AM   #32
Senior Member
 
Join Date: Sep 2010
Posts: 1,702
I would recommend 1st gear. The hill is an overall grade of 9% with the first half being closer to 12%. Kinda steep is an understatement. 1.4 miles top to bottom with a 690 foot elevation change.


2010 F250 5.4L 3.73
2011 Flagstaff 831FKBSS
Equal-i-zer 4pt 12K
__________________

__________________

2011 Flagstaff 831FKBSS
2010 F250 4X4 5.4L 3.73 LS
EQUALIZER E4 1200/12000
lbrjet is offline   Reply With Quote
Old 05-27-2016, 10:05 AM   #33
Senior Member
 
Sc00ter's Avatar
 
Join Date: Dec 2014
Location: Aurora, Co
Posts: 167
Which pass is that?

Steepest we have been on was 16% going down into the black canyon near Montrose. That was an eye opener.
__________________
2015 puma 295bhss
2009 ram 3500 6.7l ctd
Sc00ter is offline   Reply With Quote
Old 05-27-2016, 10:29 AM   #34
Member
 
RVBuzz's Avatar
 
Join Date: May 2016
Posts: 46
My truck does not have a manual shift mode...shifter shows "PRND321" do i just have to slow down to the desired speed and then use cruise control to allow the truck to downshift from 4 to 3 and etc... or do I need to manually downshift to 3rd...

If so how can i do that while driving or do i have to come to a stop...shift from "D" to "3" and etc...

Thanks! Happy Memorial Day!
__________________
2017 Wildwood 31KQBTS
2010 F-150 Platinum 5.4L/3.73 Full Tow Pkg.
Nights Camped 2016 "30"
Nights Camped 2017 "3"
RVBuzz is offline   Reply With Quote
Old 05-27-2016, 12:20 PM   #35
Senior Member
 
Join Date: Sep 2010
Posts: 1,702
No, you don't have to stop to shift from drive to 3rd. I wouldn't try it at 65 mph, as a test do it 45 mph. 3,2 and 1 are all available to manually shift to. I have the same shift options and would slow way down and put it in 1 at the top of that hill. After leveling out at the bottom you can pick up a little speed and shift to 2nd, pick up some speed and shift to 3rd, then to drive. I have only had to do this a couple of times in all my travels, as my tow/haul downshifts usually suffice. A grade this extreme is pretty rare.


2010 F250 5.4L 3.73
2011 Flagstaff 831FKBSS
Equal-i-zer 4pt 12K
__________________

2011 Flagstaff 831FKBSS
2010 F250 4X4 5.4L 3.73 LS
EQUALIZER E4 1200/12000
lbrjet is offline   Reply With Quote
Old 05-27-2016, 05:44 PM   #36
Senior Member
 
northstar1960's Avatar
 
Join Date: Feb 2015
Location: in my new 29hfsxlr
Posts: 1,658
Quote:
Originally Posted by Sc00ter View Post
Which pass is that?

Steepest we have been on was 16% going down into the black canyon near Montrose. That was an eye opener.
what grade is this . the one heading into the south black canyon campground?
__________________
northstar1960 is offline   Reply With Quote
Old 05-27-2016, 06:16 PM   #37
Senior Member
 
Join Date: Feb 2016
Posts: 479
Quote:
Originally Posted by TonyD View Post
I live in Colorado and have seen several accidents due to overheated brakes.

Some easy tips that I use to keep things safe:

a. Tow haul switch on
b. Exhaust brake if equipped
c. Downshift 1-2 gears to increase engine braking
Increase engine load by:
a. A/C on even if it isn't hot on. This puts an 8-10 hp drag on engine
b. Increase electrical load on engine. The increased electrical load puts a load on the engine via alternator. I turn on all lights (parking, front, and fog), rear defroster, and even put the tush warmers on.

d. MOST IMPORTANT ***SNUB BRAKE**: Do not ride your brakes the entire way! This will cause them to overheat! Pick a comfortable speed and apply brakes when speed increases to 5mph faster than your desired speed and then apply brakes to about 5mph slower than set speed. Let go of brakes and repeat. With a/c on, car in lower gear, and high electrical load, you won't be speeding up as fast as you did before.

Lots of commercial drivers think that constant braking is the proper way to ride down a mountain. These keep the runaway hill maintainers employed. Constant braking is a myth especially when towing.

A good example of snub braking except I go 10 mph (5 above and snut to 5 below)



Good luck, have fun, and take it slow.
This is outstanding information.

Marty
__________________
2016 Rockwood 2703WS Sapphire
2011 F150 Ecoboost SCAB/3.55
Martsing is offline   Reply With Quote
Old 05-27-2016, 06:45 PM   #38
Senior Member
 
Toothpick's Avatar
 
Join Date: Sep 2015
Location: Statesboro, GA
Posts: 276
Quote:
Originally Posted by spock123 View Post
This is what I do when I'm coming down a steep mountain, I set the cruise at the speed at what I want to come down safely, then I put the truck in tow/haul with the engine brake on. When I get to the bottom I'm going at the speed I set the cruise at and I have never touched the brake. I now have a 2012 Silverado 3500HD SWR. I had a 2500 2008 Silverado that I did the same way minus the engine brake setting. I believe with the Allison transmission and the Dmax I could fall off a cliff and when I hit bottom I would still be going no faster than what I have the cruise set at.


Sent from my iPhone using Forest River Forums
X2 but I do this with my Ram 2500 6.7 Cummins.

Select tow/haul, auto engine brake, and cruise set to 62 or speed limit if lower... Truck will not go over said regardless of grade...
__________________
2016 FR Vengeance 25V Toy Hauler
2015 Ram 2500HD CC 4x4 6.7L Cummins
2017 Indian Chieftain Darkhorse
2017 Indian Scout
Toothpick is offline   Reply With Quote
Old 05-27-2016, 06:54 PM   #39
Senior Member
 
Toothpick's Avatar
 
Join Date: Sep 2015
Location: Statesboro, GA
Posts: 276
Quote:
Originally Posted by TonyD View Post

Lots of commercial drivers think that constant braking is the proper way to ride down a mountain. These keep the runaway hill maintainers employed. Constant braking is a myth especially when towing.

.
NO We Don't!

I drive commercially and have been a OTR driver instructor for 8 years.
We teach our drivers 5 on and 5 off. Hold brakes until you bleed off 5 mph, release, once u speed up 5 mph repeat...

Mel
__________________
2016 FR Vengeance 25V Toy Hauler
2015 Ram 2500HD CC 4x4 6.7L Cummins
2017 Indian Chieftain Darkhorse
2017 Indian Scout
Toothpick is offline   Reply With Quote
Old 05-27-2016, 07:29 PM   #40
Senior Member
 
Blackhat6mike's Avatar
 
Join Date: Dec 2014
Location: St Simons Island, GA
Posts: 1,204
X3
I have hauled several mountain routes and 9%-14% grades on the Blue Ridge Parkway which is where we are right now.
I turn on the tow/haul mode, activate the exhaust brake and set the cruise control and let the Allison tranny figure it out. Never had a problem with speed or temps. TT is 9,500 lbs and TV is a Silverado 2500 HD with super springs added.
__________________

__________________
Aviator Wright Flyer #1919
Army Pathfinder Vietnam, 3 tours
DAV, MOPH, VFW, NRA, 1stCav. ABN
Blackhat6mike is offline   Reply With Quote
Reply

Tags
mount

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



» Virginia Campgrounds

Reviews provided by




ForestRiverForums.com is not in any way associated with Forest River, Inc. or its associated RV manufacturing divisions.


Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -5. The time now is 01:38 AM.