|
05-18-2011, 08:33 PM
|
#1
|
Senior Member
Join Date: Aug 2010
Posts: 208
|
What Are Your RPM's?
At 55 to 60 mph with the o/d off (like the owners manual says), I am showing any where from 2500 to 2800 rpm on a flat. How about you all?
__________________
Traded IN 19BH......;-( Miss It!
:cool: 2013 F150 STX Super Cab With Factory Tow Package, Inegrated Trailer Brake Control, 5.0 Liter with 3.55 Gears and Posi Traction :cool:
|
|
|
05-18-2011, 09:02 PM
|
#2
|
Moderator Emeritus
Join Date: Apr 2011
Location: Michigan
Posts: 9,424
|
My 6.0L/4.10, loaded at 14,700lbs, at 60 MPH in 3rd gear will turn 2,700 RPM. I can save about 500 RPM and at least 10 degrees in tranny temp if conditions allow me to tow in "D" (overdrive).
Bob
__________________
2016 GM 2500HD 6.0L/4.10
2018 Jay Flight 24RBS
2002 GM 2500HD 6.0L/4:10 (retired)
2005 Jayco Eagle 278FBS (retired)
1999 Jayco Eagle 246FB (retired)
Reese HP Dual Cam (Strait-Line)
|
|
|
05-18-2011, 10:32 PM
|
#3
|
Member
Join Date: May 2011
Location: Nebraska
Posts: 98
|
Our liberty in "tow/haul" at 60mph is about 2800. Sometimes I can take it out of that mode and drop it down around 2400.
__________________
2012 Forest River 28bh
2012 Toyota Tacoma
-------------------------
2012 Skylark KFV - Gone
2010 Jayco 806 - Gone
|
|
|
05-19-2011, 04:20 AM
|
#4
|
Senior Member
Join Date: Dec 2009
Location: Maplesville - Home Base
Posts: 3,059
|
With a gross of 21,800 an towing at 55 mph my rpm is 1500. I got 12.8 mpg on my last 250 mile trip. This is consistent with other trips (hand calculated).
__________________
Ed
KM4STL
2006 GMC 2500HD CCSB 4x4 Duramax/Allison, Titan 52 gallon fuel tank, Prodigy Controller, B&W Companion Hitch
2010 Jayco Designer 35RLTS, Cummins/Onan RV QG 5500 EVAP, Progressive Industries EMS-PT50X, TST Systems 507 TPMS, RV Flex Armor Roof
|
|
|
05-19-2011, 05:46 AM
|
#5
|
Senior Member
Join Date: Apr 2011
Location: Southeast, NY
Posts: 1,113
|
At 60 I usually run about 1800 and I got 12.5 last trip to Hershey.
__________________
Karl - Southeast, NY
2020 377 RLBH
2018 Ram 3500 Mega Limited 6.7L Cummins w/ Aisin
|
|
|
05-19-2011, 05:50 AM
|
#6
|
Moderator Emeritus
Join Date: Apr 2011
Location: Michigan
Posts: 9,424
|
Quote:
Originally Posted by Zombied
Our liberty in "tow/haul" at 60mph is about 2800. Sometimes I can take it out of that mode and drop it down around 2400.
|
Interesting....., I use Tow/Haul mode when towing with my GM TV, but when in use it only raises my shift point RPM's, not my high end positioned drive gear RPM (3rd or "D"). The end RPM remains the same Tow/Haul on or off when positioned in 3rd or "D".
Bob
__________________
2016 GM 2500HD 6.0L/4.10
2018 Jay Flight 24RBS
2002 GM 2500HD 6.0L/4:10 (retired)
2005 Jayco Eagle 278FBS (retired)
1999 Jayco Eagle 246FB (retired)
Reese HP Dual Cam (Strait-Line)
|
|
|
05-19-2011, 07:26 AM
|
#7
|
Senior Member
Join Date: Jun 2010
Location: Saskatoon Sask Canada
Posts: 10,714
|
2250 at 60 mph but I have to switch the tow haul off for a min till it shifts into OD then reengage tow haul.
__________________
Seann
2004 Chev Silverado Duramax optioned past the max. 2009 Jayco Eagle 308 RLS 900watts of solar, Lithium batteries (400amp hour), 2000 watt (4000 surge) whole house inverter.
145days boondockinig in2023 2022/151 2021[/COLOR]
93/2020,157/2019219/2018 206/2017,215/2016, 211/2015, 196/14, 247/13, 193/12
|
|
|
06-21-2011, 08:04 PM
|
#8
|
Senior Member
Join Date: Feb 2011
Location: SW Ontario
Posts: 1,393
|
At 60 mph in 3rd gear, rpm's about 2200. Seldom will it hold overdrive for long, but when it does, then about 1800 rpm at 60 mph. With this GM, tow-haul mode only raises the rpm shift points.
__________________
2013 Jayco Eagle 31.5RLDS
2018 Silverado 2500 HD Duramax
|
|
|
06-21-2011, 08:23 PM
|
#9
|
Senior Member
Join Date: Feb 2010
Location: Indian Trail, N.C.
Posts: 208
|
At 65 MPH, in 6th gear with tow/haul engaged the truck is at 1700 RPM
__________________
Dave and Amy
5 kids...2 with 2 legs, 3 with 4 legs
2008 Jayco Jay Flight G2 29FBS "No Worries"...traded in on a...
2016 Palomino Columbus 385BH "No Worries II"
2011 F-250 Super Duty Lariat, 6.7L PSD "The Mistress"
B&W Companion slider
|
|
|
06-21-2011, 08:44 PM
|
#10
|
Senior Member
Join Date: Oct 2009
Location: Wedowee AL
Posts: 272
|
1750 RPM = 64MPH = 11.44 MPG Towing 9,500 lb 5th.
__________________
F250 HD 7.3 Diesel :)
31 Ft RLS Designer 5th Wheel :D
|
|
|
06-21-2011, 09:20 PM
|
#11
|
Senior Member
Join Date: Aug 2010
Location: Fairbury,Nebraska
Posts: 241
|
About 2200 rpms in od at 60mph. 6.0 gas auto, 4:10 gears 265-16 tires. Usually about 8 mpg towing, 13 empty.
|
|
|
06-22-2011, 08:47 AM
|
#12
|
Site Team
Join Date: Jan 2011
Location: James Island, SC
Posts: 22,771
|
Cruise at about 64 mph. !800 rpm in tow/haul. 11.5 mpg all day long.
__________________
Moderator
2011- 351RLTS Eagle, MorRyde suspension/pin box,
2017- F350 6.7 PSD Lariat FX4,SRW, SB,CC
Hughes PWD SP-50A, TST TPMS
Gator roll-up bed cover
B&W Turnover ball, Companion Std hitch
Can't find what you're looking on JOF? Try Jayco Owners Forum Custom Google Search
|
|
|
06-22-2011, 11:09 AM
|
#13
|
Senior Member
Join Date: Feb 2011
Location: SW Ontario
Posts: 1,393
|
I've been told that for the best fuel economy and performance, your rpm at highway speed should be at the rpm where your engine has peak torque. Gas and Diesel have different torque curves, with gas being a more sharp peak in the curve, at a little higher rpm. For my gas engine, peak torque is at 2000 rpm. So, with me running about 2200 rpm at 60 mph, I guess that would be about right. I find I get 10.9 mpg -USA Gallon, towing the 5,000 lb 22FB trailer, hand calculated.
__________________
2013 Jayco Eagle 31.5RLDS
2018 Silverado 2500 HD Duramax
|
|
|
|
Thread Tools |
Search this Thread |
|
|
Display Modes |
Linear Mode
|
Posting Rules
|
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
HTML code is Off
|
|
|
|
» Recent Threads |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|