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Open Roads Forum  >  Towing

 > Whats your towing RPM?

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overdrive75

Whitmore Lake, MI

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Posted: 04/16/12 07:29am Link  |  Print  |  Notify Moderator

marcus6701 wrote:

My '03 GM 6.0L LQ4 does not peak until 4,000. Very hard to get it there going up a mountain. I have tryed and the trans gets into a position where it will not down shift anymore but rpm only get to maybe 3200-3400. Close but still not where all the torque is.


Yeah unless you hit the hill with speed and keep it there around 4K this motor will never get back up to it on a large hill with a fig enough load, if you are above you 2nd gear lock out.


2002 Chevy 2500HD 4x4 6.0L 4L85E 4.10 Full Floater 9200GVW 16K GCVW
2009 Rockwood Roo 23SS for camping
1989 Searay 230CC for the weekends when not camping.

jalichty

Lander, Wyoming 82520

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Posted: 04/16/12 07:37am Link  |  Print  |  Notify Moderator

At 65 mph, towing my new fifth-wheel, our truck's RPM is at 1,700 to 1,800. We have a diesel with a 3.42 rear end and our FW is a Jayco Eagle SuperLite HT 26.5. At 70 mph, the RPMs go up to 1,900.


John A. Lichty

Kevin O.

Connecticut

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Posted: 04/16/12 07:45am Link  |  Print  |  Notify Moderator

I average 1600rpm on the flats in 6th gear and on the steep hills she will down shift to 5th(2000rpm) or 4th(2500rpm)with the cruise set at 62mph towing 7000+ lbs. Not to bad for a V6!!


KEVIN
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MERIDEN,CT
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goducks10

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Posted: 04/16/12 09:39am Link  |  Print  |  Notify Moderator

Kevin O. wrote:

I average 1600rpm on the flats in 6th gear and on the steep hills she will down shift to 5th(2000rpm) or 4th(2500rpm)with the cruise set at 62mph towing 7000+ lbs. Not to bad for a V6!!


I didn't think a V6 could pull a TT.

Kevin O.

Connecticut

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Posted: 04/16/12 12:33pm Link  |  Print  |  Notify Moderator

goducks10 wrote:

Kevin O. wrote:

I average 1600rpm on the flats in 6th gear and on the steep hills she will down shift to 5th(2000rpm) or 4th(2500rpm)with the cruise set at 62mph towing 7000+ lbs. Not to bad for a V6!!


I didn't think a V6 could pull a TT.
If they did do any towing it wasn't a very big TT.That is until 2011 anyway!I can say it does it's job very well!!

Airstreamer67

Pineville, LA USA

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Posted: 04/20/12 06:10am Link  |  Print  |  Notify Moderator

My 1996 Ford F250 Powerstroke turns 1500 rpm at about 60 mph, which is my normal cruise condition when towing on relatively flat ground.

When I hit the hills, I take it out of overdrive if and when it begins to struggle, and usually climb the hills at about 2000 rpm.

In the mountains, eg the Colorado Rockies, I will downshift as needed and climb the steep passes at above 2500 or so to keep the engine exhaust gas temperatures reasonable. This is important with my old truck, since it did not come equipped with an intercooler.

Wumba

Loudon, TN

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Posted: 04/20/12 06:52am Link  |  Print  |  Notify Moderator

1500 rpm at 65 towing 6k TT. TV is a Chevy 2500HD diesel.

Gordon2448

Central Coast, California

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Posted: 04/21/12 12:42pm Link  |  Print  |  Notify Moderator

My 12' 3500 DRW with 3.73, pulling 16k TH on the flats will run 1500-1700 rpm's at 60-65 mph with 11.5 mpg. Truck is stock. All hail Chevy!!jk

joemusic3210

Louisiana

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Posted: 04/22/12 09:05am Link  |  Print  |  Notify Moderator

johnrbd wrote:

With tail winds or with head winds? Could make a big difference in rpm, gear, etc.

Mine, around 2250, at 59 mph (with little or no wind and level road). 8.1 big block, 4.10 rear, 05 2500HD towing 9200-lb loaded 5vr. Avg mpg - 9.2.


I'm a bit late to the party here but... it doesn't matter if you're going into a 40 mph head wind or going with a 40 mph tail wind, your RPMs for a given speed and gear will be the same. The fuel required to maintain that speed will be a whole other issue, though.

blownsub

Dickinson, Texas

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Posted: 04/24/12 08:09pm Link  |  Print  |  Notify Moderator

marcus6701 wrote:

I read that towing a TT the RPM should be around 2700-3000 RPM. I'm at around 2300 @ 60 mph in 3rd gear. What RPM are you towing at?
All LS variants peak torque is at or around 4k, except the supercharged engines. Get hptuners or efi live and remove torque management. I've seen 100+ ft lbs of torque come in alot earlier at 2k plus rpms. for example instad of 150 ftlbs @ 2500 you could achieve 250ftlbs. GM's nanny controls. For real low end torque out of that 6.0 a Magnacharger would fix it, that's what I did one time and getting ready to do it again. 5.3 made 400+ ft lbs @ 2400 rpms at the wheels, but they're pricey. a tune is the best bang for the buck or buy the software and have some fun. Also don't open the exhaust, you'll kill the low end.


2003 1500HD 6.0 4wd CC SB. gone
2007 2500HD D/A 4WD CC SB. Gone
2001 Blown Suburban Z71 418ftlbs @2400@the wheels. Gone
07 WW FS2500 gone
Hensley Arrow
04 KTM 125 EXC gone
2012 POLARIS RZR 570
2013 F150 FX4 Screw LWB Ecoboost w/Unichip

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