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Old 12-11-2010, 03:02 PM   #15
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Rub it in. I see how you are.
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Old 12-11-2010, 03:19 PM   #16
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Rub it in. I see how you are.
Wasn't meant that way...

I've built my truck up long before I ever bought my TT... But I've been hauling firewood and utility trailers for many years now...
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Old 12-11-2010, 03:23 PM   #17
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I'm kidding your fine. I'm young and some day I will be there.
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Old 12-11-2010, 08:11 PM   #18
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I finally got my first TT and found out it loves wind! I may have to nickname it “My Sail”. Anyways I have 2005 GMC sierra 1500 which is 4 speed tranny. I found that running in 4th gear it falls on its face and no power in wind or with no wind. I found running in 3rd is best choice even though some hills it will slow way down. I run about 2600 to 3000 RPM in third. The kicker is I have to be above 55 miles a hour or my power range is horrible and maybe have to go down into second. My truck is 7000 GVWR and camper is 5500 dry.

Okay the question is here? First of all am I beating on my truck or just towing nice and heavy? Or is this normal with a 1500 truck.


Second is how do others drive in wind? Do you prefer to go easy on truck? Or its fine to push it hard. Any info to ease my mind that this is okay for my truck ?
My experience was somewhat different with previous rig. 2000 Silverado 1500 with 5.3L, 4 sp auto and 3.73 axle ratio. 27 ft mid profile fifth wheel was 5000 lbs dry wt. and 6550 lbs GVWR. I always used OD (4th gear) as much as possible which meant 62-65 mph. Sure, there were times that staying in OD was impossible like steep grades or the combo of headwinds + slight grade + A/C. But generally my speeds were comparable to others towing. Longest trip with this combo was 4500 miles and averaged just slightly over 11 mpg (worst leg was around 10 mpg on the TCH from Thunder Bay to Sault St. Marie).
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Old 12-11-2010, 09:00 PM   #19
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cruise control set at 63mph for saving fuel...
mpg so far has been 13-15mpg...
towing a 6000lb TT
7.3 PSD Van

I had to rub it in a little...
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Old 12-11-2010, 09:35 PM   #20
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Give you something to chew on... As you travel faster the wind drag is exponential so just going from 55 MPH to 65 MPH the wind drag will nearly double on most pickups. Now with the added weigh and frontal area of a trailer it just makes it worse so if you can hold you speed down you gain more...
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Old 12-11-2010, 10:44 PM   #21
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Give you something to chew on... As you travel faster the wind drag is exponential so just going from 55 MPH to 65 MPH the wind drag will nearly double on most pickups. Now with the added weigh and frontal area of a trailer it just makes it worse so if you can hold you speed down you gain more...
My problem is I have to stay at that speed to stay in the power band.
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Old 12-11-2010, 10:46 PM   #22
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With the GM 4speed and 3.73 rear gear set you will be running around 70 MPH at 2000 RPM - which for the 5.3L is just on the beginning of the torque curve - around 300 lb-ft of the 348 max. But you are only at 1/3 of the HP around 100 out of 315. Where if you run at 3000 - 4000 RPM you are getting over 1/2 of the total HP.

BTW when traveling in headwinds - I usually slow down - the gas gauge goes down fast enough without trying to fight a headwind.
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Old 12-11-2010, 11:20 PM   #23
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I wish I could get my power band and speed where I want them. But I may get a diesel in steed.
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Old 12-11-2010, 11:49 PM   #24
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Yeap... Same here I back out of 5th in 4th take the tach up to 2K and hold it which happens to be about 50 MPH... I can pull over and 7% grade without thinking. No need to rev clear up to near redline (3,200 RPM).

It does help to have a vehicle with the muscle... (381 HP / 831 TQ)
I envy you guys with the 5 speed trannys, my auto is a 3 spd w/OD and while it is a good solid truck, does not have the versatility of a manual shift.

However, at the same time, I really enjoy letting my legs rest these days. I think my love of manual shifting got lost about 15 years ago, 10 years ago anyway. I'm 67 nearing 68 shortly. autos suit me fine now

98.5 Dodge Cummins QC 24V, 3500 DW, 4x4 4.10, 47RE,
SunCoast 3D TC, DC487 VB, TC LU Cntlr,
RV275s, van Aaken-R, gauges, FP Warning light,
1 qt inline tran oil filter , TRAX 50 gal bed tank w/toolbox,
Mich 235/85-16R LTX, 130k miles
OEM exhaust/turbo + ATS exh-manifold.
New VP44 8/07, DTT noise filter.

I have been idly thinking about going to a 4 inch exhaust system to relieve some back pressure. Not sure how many HP that might add, nor do I know how much HP it makes now. I just know that I can jump across the intersections faster than a hopped up Camaro with a 16 y/o kid behind the wheel.

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Old 12-12-2010, 09:37 AM   #25
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I envy you guys with the 5 speed trannys, my auto is a 3 spd w/OD and while it is a good solid truck, does not have the versatility of a manual shift.

However, at the same time, I really enjoy letting my legs rest these days. I think my love of manual shifting got lost about 15 years ago, 10 years ago anyway. I'm 67 nearing 68 shortly. autos suit me fine now

98.5 Dodge Cummins QC 24V, 3500 DW, 4x4 4.10, 47RE,
SunCoast 3D TC, DC487 VB, TC LU Cntlr,
RV275s, van Aaken-R, gauges, FP Warning light,
1 qt inline tran oil filter , TRAX 50 gal bed tank w/toolbox,
Mich 235/85-16R LTX, 130k miles
OEM exhaust/turbo + ATS exh-manifold.
New VP44 8/07, DTT noise filter.


I have been idly thinking about going to a 4 inch exhaust system to relieve some back pressure. Not sure how many HP that might add, nor do I know how much HP it makes now. I just know that I can jump across the intersections faster than a hopped up Camaro with a 16 y/o kid behind the wheel.
Nice setup... I would jump to a 4 inch pipe but the noise level will change depending on the type of muffler you got (if any at all).

Comparing notes...

02 Dodge Cummins QC 24V, 2500 SW, 4x4 3.55, NV4500,
Southbend Con OFE Clutch,
RV275s, Edge Comp, Dipricol Gauges, FP Warning light,
Frantz Bypass oil filter ,
Big O AT's 235/85-16R, 180k miles (Current)
Straight Piped 3" Exhaust/HX35 turbo/Jacobs Exhaust Brake
Old VP44 @ 50K miles.





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Old 12-12-2010, 12:13 PM   #26
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going to larger exhaust pipe will help reduce EGTs, a good thing.
If you can skip the muffler, no matter the size is also better for dropping EGTs.
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Old 12-12-2010, 03:24 PM   #27
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going to larger exhaust pipe will help reduce EGTs, a good thing.
If you can skip the muffler, no matter the size is also better for dropping EGTs.
Yeah but as the old saying goes...

"If its too loud, your just too old"
(Don't take it the wrong way guys and gals )

Well this comes to play even more so when you hauling a heavy trailer, uphill, and older folks just don't like listening to a diesel engine drone as it going along...

I've been told the locals here in my area can hear my truck coming for over 2 miles out. I'm just a straight piped 3" exhaust...

Imagine 4" its just a bigger megaphone...
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Old 12-12-2010, 04:05 PM   #28
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Nice setup... I would jump to a 4 inch pipe but the noise level will change depending on the type of muffler you got (if any at all).

Comparing notes...

02 Dodge Cummins QC 24V, 2500 SW, 4x4 3.55, NV4500,
Southbend Con OFE Clutch,
RV275s, Edge Comp, Dipricol Gauges, FP Warning light,
Frantz Bypass oil filter ,
Big O AT's 235/85-16R, 180k miles (Current)
Straight Piped 3" Exhaust/HX35 turbo/Jacobs Exhaust Brake
Old VP44 @ 50K miles.
Thanks for the comment. I'm proud of what I have and its' paid for. Very serviceable for me. I am a bit jealous of your 3.55 axle "sorta" as it would put my best torque RPMs in the right place in 3rd gear for towing.

My VP44 toasted at 116,000 miles. I kept fooling with it for nearly 3,000 miles and finally just said "enough is enough" and replaced it.

The Bypass Oil filter is on my "to do list" as is the 4" exhaust. But both will have to wait until there is cash in pocket to make it a "paid for deal". I do want to lower the EGTs a bit, but I will have to keep a muffler, I have tinnitus and constant droning gets old for me in about 5 minutes.

Your truck and my truck are very close in features. The Edge Comp is more versatile than my Van-Aken which is a fixed box. Take it or leave it, but I like what it does, and that is good enough. I bought it as used surplus for cheap bucks.

Not sure if I will add an exhaust brake. So far, I have not had a need for it with the 97% tight SunCoast Triple disc TQ. It is as though I have a manual tranny it is so tight. have never needed to down shift to 1st going down grade, use 2nd gear a lot and it wraps up to about 55 mph occasionally.


With both yours, and my truck's configurations, we have a very good towing setup. Not the terrifically hopped up quarter mile dragster versions I see here on the street. But the kind that you can just tow and tow and on all day long. Those hopped up trucks can build up too many EGTs if they aren't careful.
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