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05-21-2013, 09:05 AM
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#1
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Senior Member
Join Date: Apr 2013
Location: South Texas
Posts: 215
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RPM's
Do any of you pay attention to the RPM's your tow vehicle is running when in normal towing mode? Just curious.
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05-21-2013, 09:11 AM
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#2
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Senior Member
Join Date: Feb 2010
Location: North Central Kansas
Posts: 543
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Yes - being a truck driver one learns to drive by the tack - now retired but still drive by the tack.
__________________
 Everett & Joan after 60 years together. 2004 1/2 ton Chevy & 2011 Rockwood 1809S
Number of nights camped in 2012 65
Number of nights camped in 2013 82
Number of nights camped in 2014 105!
Number of nights camped in 2015 81
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05-21-2013, 09:12 AM
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#3
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Senior Member
Join Date: Apr 2012
Location: Where the USCG sends us.
Posts: 371
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Very attentive to the rpms. Especially going up and down mountains. Same RPM and gear going down as it took to get up.
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05-21-2013, 11:21 AM
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#4
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Senior Member
Join Date: Nov 2012
Location: West St. Paul, Manitoba
Posts: 886
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Yes, RPM's very important criteria!
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Of all the things I've lost in my life the thing I miss the most is my mind! 
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05-21-2013, 11:29 AM
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#5
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Senior Member
Join Date: Apr 2013
Location: Cincinnati Ohio
Posts: 464
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Absolutly. I am running close to max so I always switch over to the RPM display when I tow. No need to run higher than I need to.
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05-21-2013, 11:30 AM
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#6
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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You bet, limit mine to 3,600 rpm max. If that's not fast enough for those behind me, they can use the left lane or just be patient. Even tho' it will go a lot higher, I just choose not too rev it any higher in drive while towing.
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05-21-2013, 11:49 AM
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#7
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Senior Member
Join Date: Jan 2012
Location: Keller, Texas
Posts: 6,090
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I guess I'm different here, but since my TV and passenger car are both automatics I rarely look at the tach in either one.
I do look at the TV one when we are going up a grade just to see what it it, but that is about the only time.
I have often wondered why auto manufacturers even bother to equip standard cars and small trucks with them other than to fill up dash board space.
I wonder if the majority of vehicle owners even are aware of what they are or what purpose they serve.
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05-21-2013, 11:51 AM
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#8
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Senior Member
Join Date: Jan 2013
Location: Greensboro, NC
Posts: 775
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If you know your TV's torque curve, you can up/downshift to maximize torque at any time - particularly helpful when climbing hills, etc., reduced strain on engine, and decrease in speed while climbing. This apparently helps maximize fuel mileage, also. Of course, if you're driving an automatic, you may not have a lot of control over shift points. Our MH is on Mercedes chassis, and the transmission has tip-shift feature, which is very helpful controlling shift points.
__________________
Ed (N4RWU) & Becky Taylor
Mistie (Walks 4-down)
Greensboro, NC
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05-21-2013, 11:54 AM
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#9
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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All of my vehicles have had either factory tachs (since 81) or I added them on the ones before 81 and all were automatics. I just like to know what the engine is turning plus it will give you an indication if the tranny is starting to slip.
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05-21-2013, 12:12 PM
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#10
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Moderator Emeritus
Join Date: Mar 2008
Location: St. Paul, Minnesota
Posts: 3,367
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I don't pay much attention to the tachometer most of the time. My truck just chugs away at 1,600 RPM 98% of the time. I get an occasional downshift and then maybe 1,900 RPM. But I just set the cruise and let the truck manage itself.
__________________
2021 F350 Lariat 7.3 4X4 w 4.30s, 2018 Wildcat 29RLX
2012 BMW G650GS, Demco Premiere Slider
1969 John Deere 1020, 1940 Ford 9N, 1948 Ford 8N
Jonsered 535, Can of WD-40, Duct Tape
Red Green coffee mugs
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05-21-2013, 01:44 PM
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#11
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Wanna Be Camper
Join Date: Mar 2010
Location: Moose Jaw, Saskatchewan
Posts: 2,420
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Not really, other than for entertainment. I put the truck in T/H cruise on at 100kph and let the puter do it's job. If the engine hits 5k so be it, it was designed to do it and the computer won't let it hurt itself at least Ford's won't as they will reduce power if they detect any abnormality be it bad gas, temp going up too quick etc.
__________________
John & Deb
2011 F250 Lariat FX4 Crew Cab 6.2
2011 Flagstaff V-Lite 30WRLS
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05-21-2013, 01:56 PM
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#12
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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Quote:
Originally Posted by acadianbob
I don't pay much attention to the tachometer most of the time. My truck just chugs away at 1,600 RPM 98% of the time. I get an occasional downshift and then maybe 1,900 RPM. But I just set the cruise and let the truck manage itself.
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Me too. When I am at cruise speeds less then 60 MPH (using the Tow/Haul mode to get there) the RPM is about 1800 RPM. Taking it out of Tow/Haul will upshift to OD and the RPMs drop to about 1600 and I re-engage the Tow/Haul.
__________________
Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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05-21-2013, 02:10 PM
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#13
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Senior Member
Join Date: Jan 2012
Location: Keller, Texas
Posts: 6,090
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Looks like the unofficial results lean toward not using the tach when towing our RV's.
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05-21-2013, 02:14 PM
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#14
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Resident Masshole
Join Date: Mar 2013
Location: Southeastern MA
Posts: 433
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I look at mine all the time. I also view the real-time MPG info. Neither one seems to impact the way I drive though lol
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05-21-2013, 03:12 PM
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#15
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Senior Member
Join Date: Apr 2013
Location: South Texas
Posts: 215
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Just curious. We've got a new truck and travel trailer. My first haul last Sunday, I kept the speed around 65 mph which put me at 2500 rpm. However, we were bucking a pretty strong headwind most of the trip.
The truck is an automatic and I seldom let it shift down into a lower gear. Most of the times, I can get a good enough run at a hill that I don't need the extra gear.
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05-21-2013, 03:33 PM
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#16
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Member
Join Date: Aug 2012
Location: Texas
Posts: 90
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I watch the RPM's mostly just to see how hard the suburban is working.
I always use the tow/haul mode.
I try to keep it from shifting down unless I really need to or can't get a run at a hill because someone is in front of me.
We don't have much of what most people probably call hills here but there are elevation changes. I didn't use cruise to keep it from kicking down a gear going up the hills.
Do most use cruise? Just on the flat land?
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22 Forest River RPod 192
2019 Nissan Titan
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05-21-2013, 03:52 PM
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#17
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Senior Member
Join Date: Apr 2013
Location: South Texas
Posts: 215
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I seldom use the cruise. Just feel a little more in control without it plus I don't like it kicking in to a lower gear when I don't want it to.
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05-21-2013, 06:04 PM
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#18
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Member
Join Date: Mar 2013
Location: Westlake, LA
Posts: 55
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My 2013 Chevy Silverado 1500 shifts like crazy and I'm only pulling a Rockwood Mini Lite 2503S. It's ridiculous when I'm heading into a strong headwind. With a tailwind, it's not too bad.
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05-21-2013, 06:29 PM
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#19
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Senior Member
Join Date: Jul 2007
Location: Jefferson County, MO
Posts: 5,452
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I pay more attention to my turbo boost than my RPM's.
__________________
Bob and Joyce
2013 CC Silverback 29RL
2010 Ford F250 XL Crew Cab 6.4 liter diesel
ATU Local 788
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05-21-2013, 06:30 PM
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#20
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by Oakman
I pay more attention to my turbo boost than my RPM's.
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Ooooohhhh turbo boost...........
Argh argh argh!
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Linear Mode
