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02-07-2020, 06:51 PM
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#61
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Member
Join Date: Sep 2019
Location: Husk, NC
Posts: 72
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Quote:
Originally Posted by 007matman
I've seen others that claim better. However, my particular truck always right around 14.. sometimes 15-16 if not towing. I've heard claims of 20 but personally, I've never seen that.
Beats the daylights out of my Esky.. 6-7 mpg stopping every 2 hours for gas.
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That's interesting. We get 19.6 when not towing with most of our driving on NC mountain roads.
Our cruising speed is usually 5mph under posted limit but never over 65. We can usually find a big rig to follow doing the same.
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2015 Brookstone 315RL
2016 GMC Sierra 3500HD Diesel 4x4 CC LB LEMON
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02-07-2020, 07:22 PM
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#62
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Senior Member
Join Date: Jun 2016
Posts: 4,233
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On the interstates, I wait for a semi doing 65 or a little less by going a little slower than that. I let it pass, set the adaptive cruise, and settle in for the ride.
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Al
I am starting to think, that I will never be old enough--------to know better.
Tolerance will reach such a level that intelligent people will be banned from thinking so as not to offend the imbeciles. Fyodor Mikhailovich Dostoevsky, Russian Novelist
S.E. Mich. Flagstaff 26FKWS / 2019 F-150 3.5 EcoBoost SCrew Propride
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02-07-2020, 07:35 PM
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#63
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Senior Member
Join Date: Jun 2012
Location: Southern NM
Posts: 7,802
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Yep, semi drivers love it when you do that. They call folks who do that Klingons or dingle berries 
Quote:
Originally Posted by SailorSam20500
On the interstates, I wait for a semi doing 65 or a little less by going a little slower than that. I let it pass, set the adaptive cruise, and settle in for the ride.
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__________________
Scott and Liz - Southern NM
2012 Wildcat Sterling 32RL - w/level up (best option ever)
2007 Chevy 2500HD 4dr short bed Duramax w/allison
Reese Fifth Airborne air ride king pin coupler with Sidewinder
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02-07-2020, 07:44 PM
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#64
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Senior Member
Join Date: Jun 2016
Posts: 4,233
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Quote:
Originally Posted by NMWildcat
Yep, semi drivers love it when you do that. They call folks who do that Klingons or dingle berries |
But with adaptive cruise set at max following distance, I'm not drafting them... I've never been one who stays under 20 feet from their back bumper.
__________________
Al
I am starting to think, that I will never be old enough--------to know better.
Tolerance will reach such a level that intelligent people will be banned from thinking so as not to offend the imbeciles. Fyodor Mikhailovich Dostoevsky, Russian Novelist
S.E. Mich. Flagstaff 26FKWS / 2019 F-150 3.5 EcoBoost SCrew Propride
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02-07-2020, 07:45 PM
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#65
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Senior Member
Join Date: Mar 2017
Posts: 2,456
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Quote:
Originally Posted by Hatchee
That's interesting. We get 19.6 when not towing with most of our driving on NC mountain roads.
Our cruising speed is usually 5mph under posted limit but never over 65. We can usually find a big rig to follow doing the same.
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Probably depends on the vehicle. What are you driving?
Mines a Dually so that'll make a difference too..
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02-07-2020, 08:12 PM
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#66
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Senior Member
Join Date: Mar 2019
Location: Joliet, IL
Posts: 1,139
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My CGVW is generally around 23,500-24,000 lbs. When we first got the 5er I could easily travel the 70-75 mph. Lately I use cruise control to run at 64-67 mph and try to keep that semi traveling around the same speed about 1/4 of mile out front, just to know I'm maintaining a reasonable speed. Though I will pass them going up hills while maintaining that 64-67 on cruise control. If I find that I am creeping up on a semi and don't want to drastically fall behind them (especially on 2 lane) I will kick up cruise control 1-2 mph, pass them and then kick it back down when a good distance out in front of them.
Oh - right hand lane unless on 3 plus lane road (one way) then I will tend to float to a more middle lane. Also average 10.5-11.0 mpg towing and 16-20 when not.
__________________
2018 Cedar Creek 36CK2 (40.5ft)
TST Cap System (Tire Monitoring)
2021 Chevy 3500HD Crew Cab 4X4 DRW Duramax (replaced 2015 Chevy 2500HD Crew Cab 4X4 Duramax)
Curt A25 5th Wheel Hitch (replaced Demco 18K Auto-slide)
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02-07-2020, 11:23 PM
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#67
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Senior Member
Join Date: Jul 2017
Location: California
Posts: 7,616
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Quote:
Originally Posted by SailorSam20500
But with adaptive cruise set at max following distance, I'm not drafting them... I've never been one who stays under 20 feet from their back bumper.
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I love adaptive cruise control. I wouldn't buy a truck/car without it.
I worked at GM back in the 80's on adaptive cruise control and collision avoidance. Imagine my surprise when I went to order a GM truck in 2018 and they didn't offer it unless you bought a suburban or Tahoe. Was one of the reasons I bought a Ford.
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02-08-2020, 01:13 AM
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#68
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bloodybill
Join Date: Feb 2019
Location: park county colorado
Posts: 510
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Quote:
Originally Posted by jgahlhoff
About 62-65
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i -70 utah is 80 mph
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02-08-2020, 01:17 AM
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#69
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Senior Member
Join Date: Jul 2017
Location: California
Posts: 7,616
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Quote:
Originally Posted by BLOODYBILL
i -70 utah is 80 mph
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Pretty sure the trailer speed limit in Utah is 65 mph.
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02-08-2020, 04:08 AM
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#70
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Senior Member
Join Date: Nov 2018
Posts: 878
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I like 65-68mph. Cruise usually set at 68 on flats and may tap the accelerator to get to 70mph at the base of a long hill to give me a little more of a runup into my maximum HP @5200rpm/Torque@ 4000 RPM range.
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2020 Chevrolet 2500 LTZ, 2019 Forest River Wolfpack 23Pack15, 2014 EZGO Golf Cart.
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02-08-2020, 05:11 AM
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#71
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Shoulda' retired earlier
Join Date: Jan 2015
Location: Southern Worcester County
Posts: 1,108
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New England based and never in a hurry. 62-65 works for me 
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Mary and Me 😷😷 Stay Safe
2015 2650s "Finally" SOLD
2015 Jeep Cherokee
2016 Ford Race Car Red 350HD Diesel Cargo Van HR DRW EXT "Red Roamer"
"I haven't been everywhere but its on my list"
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02-08-2020, 05:43 AM
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#72
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Senior Member
Join Date: Jan 2019
Location: North Port Florida
Posts: 2,050
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65-67 ..... sweet spot .... brought the S Class home Thursday and winds were gusting 35-45 I took back roads and stayed 55mph .... head wind was so strong the 6.7 Cummins actually downshifted once first time it has done that.... 3 hour drive took 5 
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Frank & Cindy--- (SOB) 5th Wheel ---2019 Ram 3500 Cummins 6.7 SRW 4x4 8' bed--- Payload 4394------Remi & Sage camping pups---TST 507 TPMS ... B&W Patriot 18K---3.73 axle ... Predator 3500---2019 48 days ---2020 28 days Camping
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02-08-2020, 01:31 PM
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#73
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Senior Member
Join Date: Jul 2017
Location: North of Seattle, WA
Posts: 14,471
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Quote:
Originally Posted by babock
Pretty sure the trailer speed limit in Utah is 65 mph.
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Actually it's the same as for passenger cars unless specifically posted lower.
https://drivinglaws.aaa.com/tag/trailer-speed-limits/
The above link is from AAA and lists towing speeds for all states as well as Canada. Might be a good idea to read and drive accordingly in the states you pass through. Might run into a bored LEO who now has legal justification to conduct a traffic stop if you are speeding. Some states have a pretty low "towing speed limit".
Take note of Arizona's law. It doesn't state a specific speed, just "Vehicles towing trailers or semitrailers may not exceed a rate of speed that causes lateral sway."
__________________
"A wise man can change his mind. A fool never will." (Japanese Proverb)
"You only grow old when you run out of new things to do"
2018 Flagstaff Micro Lite 25BDS
2004 Nissan Titan
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02-08-2020, 04:12 PM
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#74
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Trailer Park Supervisor
Join Date: Sep 2018
Location: Northern NJ
Posts: 7,712
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Now that was hysterical! NJ, biggest nanny state I've ever lived in, has no special towing restrictions. Son of a gun. I can finally brag that my state has allowed common sense to prevail. For this one thing. Please don't publicize this, or my do-nothing but aggravate folks legislators will seize this opportunity to make more ground breaking legislation.
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2019 Rockwood Geo Pro G19FD w/off road package
2015 Ford F150 XLT Super Cab 4x4 V8
Yes, I drink the water!
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02-08-2020, 05:28 PM
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#75
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Senior Member
Join Date: Nov 2019
Posts: 1,168
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Don't get too excited. AAA hasn't done their homework very well.
I 90 in Illinois is posted 70 MPH but trailers, campers are posted at 60
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02-08-2020, 05:31 PM
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#76
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Senior Member
Join Date: Jul 2017
Location: California
Posts: 7,616
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Quote:
Originally Posted by TitanMike
Actually it's the same as for passenger cars unless specifically posted lower.
https://drivinglaws.aaa.com/tag/trailer-speed-limits/
The above link is from AAA and lists towing speeds for all states as well as Canada. Might be a good idea to read and drive accordingly in the states you pass through. Might run into a bored LEO who now has legal justification to conduct a traffic stop if you are speeding. Some states have a pretty low "towing speed limit".
Take note of Arizona's law. It doesn't state a specific speed, just "Vehicles towing trailers or semitrailers may not exceed a rate of speed that causes lateral sway." |
Not if you look at this site:
State Towing Speeds and State Laws You Probably Didn’t Know
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02-08-2020, 08:44 PM
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#77
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Senior Member
Join Date: Feb 2020
Location: Northeastern Nebraska
Posts: 166
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My truck likes 68. Set the cruise then lean back and enjoy the ride.
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Father, grandfather, husband, farmer, trucker, mechanic, equipment operator, 03 Freightliner Columbia towing 06 Forest River Cardinal
Quando omni flunkus moritati-When all else fails, play dead
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02-08-2020, 09:21 PM
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#78
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Senior Member
Join Date: Sep 2015
Location: North Alabama
Posts: 1,139
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67 is my rigs sweet spot. Pretty good fuel mileage at that and make about as good a time as going a lot faster. Less tiring and less shaking about on these increasingly deteriorated highways.
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2016 F350 CC Dually Powerstroke 4x4
2014 Cedar Creek 34RLSA w/Level Up
2007 HD Ultra Classic 103
USS Pyro AE-24 WestPac MM2 '71-'75
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02-08-2020, 09:21 PM
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#79
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Senior Member
Join Date: Aug 2018
Posts: 967
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55-70. I go with the laws, situation and what feels right. On some long grades in the 110 degree desert heat I stayed at 50.
I notice lots of trucks and trailers going much faster, and that’s their decision. I saw lots of them pass me and then later passed them broken down on the side of the road. I went around the country in an old truck and didn’t break Down. I’ll stick with what worked for me.
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TV - 2020 RAM 3500 Mega Cab SRW with 6.7 Cummins HO & Aisin 6 spd, 4k payload, 23k towing
2002 GMC Yukon XL 2500, 8.1 liter (496ci), 4L85e & positraction with 3.73 gears
TT - 2013 Dutchmen Aspen Trail 3130 QBS
Great bourbon-just about any of San Diego’s craft beer
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02-09-2020, 02:12 PM
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#80
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Junior Member
Join Date: May 2017
Location: Milto
Posts: 26
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Usually only going 58-60.
That's actually speeding in some states, like my neighboring state of AL.
http://www.doityourselfrv.com/state-towing-speeds/amp/*
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jfish
2017 Flagstaff 21DS
2016 Chevy Colorado V6
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