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Old 12-10-2010, 09:36 PM   #31
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Quote:
Originally Posted by crocus View Post
"I could be wrong. but I think a gearing change will be good enough."

I don't think you are understanding your problem. You were saying that you were running at high rpm and your mileage was terrible. So you want to put in a steeper gear which will make your engine rev even higher?
There is something fundamentally wrong with your setup. If you don't have the power to pull your trailer at those rpms, then you don't have the braking power to stop it safely either, and you likely don't have the suspension to keep the rig under control in a panic situation. You are a danger to everyone on the road.
Get a better tv or get a smaller trailer. I hate to be rude, but you are endangering the lives of others.
I hate to be rude also but... last time I checked pulling power had nothing to do with stopping power. Trailers have their own brakes... assumptions about this fellow's suspension are unfounded as is assumptions about his setup. He is complaining of not being able to find the right gearing to prevent excessive downshifting. I don't recall any conversation about towing stability... " a danger to everyone" seems to be a brazen statement to me with the info provided.

just my 2 cents,
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Old 12-10-2010, 09:42 PM   #32
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He did state on another board that when he stands on the rear bumper, it sinks "a couple of inches". Now maybe he weighs 350, or maybe he has a light duty truck. My truck sinks 'a couple of inches' with 1600 pounds of trailer on it.
I have simply seen far too many dangerous rigs going down the road, obviously overloaded and dangerous. Poeple do get killed in these rigs, and I have witnessed the wrecks personally.
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Old 12-10-2010, 09:58 PM   #33
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Originally Posted by crocus View Post
He did state on another board that when he stands on the rear bumper, it sinks "a couple of inches". Now maybe he weighs 350, or maybe he has a light duty truck. My truck sinks 'a couple of inches' with 1600 pounds of trailer on it.
I have simply seen far too many dangerous rigs going down the road, obviously overloaded and dangerous. Poeple do get killed in these rigs, and I have witnessed the wrecks personally.
I too have seen many really bad setups. I am trying to point out that we haven't seen his setup and we shouldn't jump to conclusions.

Maybe he will answer some questions; does he have w.d. setup, sway control etc.?

All too many times I have seen people in trucks with the headlights shooting to the the heavens because they don't have the proper setup (they have a truck so they don't need all that fancy stuff...).

I'm sure you just wanted to emphasize that his setup should be a safe one.

Happy (and most importantly), safe camping,
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Old 12-11-2010, 09:55 AM   #34
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The problem is anything below 55 I need 2nd gear and it will be running very high RPM. anything about 60 I run 3rd but has not quite hit the power band for 3rd. So I need to run 3rd plus get my rpm up so I got the power to do the job.
With the 5.3 engine, and the proper final drive, that truck should pull that camper just fine. That is why I am wondering about the gearing.

With my 5.4L and 3.73 gears, the only time my truck shifts to second is going up step mountain passes........or if I am not paying attention in cruise control with the AC on, sometime on hilly roads at 55 mph....that is why I seldom use cruise control.
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Old 12-11-2010, 11:29 AM   #35
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if you have the GM LM7 engine (most common engine) you are looking at 295hp@5200RPM and 335ft-lbs tq@4000RPM - it looks like your engine does its work at the over 4000 rpm range by design. If it were my truck I would make sure I have the best fluids I could find (oil,Trans,Diff,t-case, coolant etc) and run it as designed - BTW I like to tow at 55 running the engine just below peak torque RPM
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Old 12-11-2010, 11:40 AM   #36
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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 ?

All trailers are hard to tow in the wind. Fact of life. Unless you've got a monster tow rig.

http://www.extendedgmwarranty.com/ow...GMC-Sierra.pdf

Download and have a look at that.

Read the last paragraph on page 4-70. Your dry weight is already 500 lbs above the trailering package requirement. Note that is says REQUIRED. That means you are not safe if you do not have the option package and pulling your particular trailer. Your vehicle is already outside it's designed limits if the option is not on your truck. Check the RPO codes in your glove box label to see if you have it.

You may have a problem waiting to happen since you're over the 5000 lb trailer package requirement weight already. I'm willing to bet your loaded trailer weight (food, clothes, water, stuff, etc) is at least 1000-1500 lbs over the 5000 lb limit.

Go here : GM-Trucks.com*|* RPO Code Lookup :to decode the rpo codes. You can find out everything from rear axle ratio's to interior trim from the rpo codes.

Then look at all of page 4-71 to 4-81 and see where you sit.

After all that, go back and read 4-68 to 4-98 inclusive for the rest of the basic vehicle trailering knowledge you need.

for a frame of reference, my 98 k2500 with a 6.5 turbo diesel and 4:11 rear gears tows my 2011 Flagstaff classic super lite 831rlbss fairly well and that has a 6300 lbs dry weight/8400 lbs gvw. My truck is rated up to 10,000 lbs trailering with a WD hitch.

But I also keep it around 55 mph, and slower when crossing mountain passes. Any faster and it begins to struggle. It also will drive my egt's (and ECT's) into the danger zone if I sustain over 55 mph for a prolonged period of time.

You need to slow down.

You also may not have enough truck for your trailer depending on it's options. It's hard to say about your specific truck without knowing the options and ratings, but you sound pretty close to the max ratings for a K1500.

That means it's going to be working hard when towing and maxed out everywhere.

That means not only power. That means brakes, suspension, etc.......
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Old 12-14-2010, 12:22 PM   #37
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have a 2006 2500 Chev with the 6.0 and (I think) 4.13 rear. It runs about 3000 rpm in 3rd. at 65 mph. Wayne
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Old 12-14-2010, 07:00 PM   #38
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You guys are right. I do go faster to maintain the RPM curve. The gearing should be corrected. I have decided one of two things. go with a near by campgrounds/ get a membership and park at park year a round/ or a new truck. I guess time will tell which I will do. I like the new truck idea.

Sidenote. I can stop just fine. I can get camper up to 45 mph easy after this is kind of a pain.

Repeat. I can stop fine. I have 4 brakes on truck which weights about 6000 pounds. And the TT that weights 5500 has 4 more brakes.
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Old 12-14-2010, 09:33 PM   #39
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Simple numbers alone:

Unless you have the "trailer package" on your 1500, you're already 500 lbs over the manufactures recommended weight in your trailer's dry weight.

That's simply straight from the users manual for your year truck and your quoted trailer weights.

Loaded weight is probably more like 1000-1500 lbs over.

Your truck is outside of it's designed parameters.

You may be able to pull it, you may be able to stop it and in may not sway on the highways. So far that is.....

But get into an accident and insurance will not cover you and the courts will rake you over the coals if anyone you injure/cause damage to finds out you were in such a condition.

Your choice.......just be aware you're also making that choice for everyone else on the road with you.

Your options of a seasonal site or a better tow vehicle are both good decisions.

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Old 12-14-2010, 09:43 PM   #40
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[QUOTE=great white;74739]Simple numbers alone:


....

But get into an accident and insurance will not cover you and the courts will rake you over the coals if anyone you injure/cause damage to finds out you were in such a condition.

I agree the OP is probably overweight but on forum after forum people state the above but can never site an article or any case law to prove that is actually true.
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