Hello Gaget , I'm afraid the mods do nothing to change the GVWR rating of your unit. They make it
feel better and able to carry the load but the rating ( legally ) stands at 14500 . I went through this line of thinking
at the time I tried to get my 350 rated higher GVWR and is the reason we had the 550 built in 2000 to get
the 17500 rating . If we were 2 wheel drive the rating would be 18500 . I only licence the unit just over the scaled
weight as licencing at full GVWR rating opens me here in BC to very costly licencing and to yearly commercial inspections .
an additional expence I don't need .According to my registration shows my unit is listed as commercial with
personal use .
cost I don't need .
Lancealot........you are correct. We can add all the items we want to our truck but that will not change the all mighty "door sticker". This topic really gets divided into two categories; one for being within the legal weights allowable as per our carrying capacity as per the door sticker and the other is being within the level of comfort for the safe operating of our vehicles going down the road.
I do find it interesting that most of the weights and GVWR reported here are mainly over the allowable weight. Some are slightly under the GVWR. However, if you are really worried about the weight police and how they will look at a truck camper scenario I will tell you. First of all, you will need to become familiar with your GAWR (gross axle weight rating). You will have a rating for your rear axle and your front axle. When hauling truck campers, it will be unlikely that any of you will exceed your front GAWR. I say unlikely because it is possible that some of you may haul something like a motorcycle up there or alternate gear and equipment that could add significant weight. The real weight that could be an issue is your GAWR for the rear axle. Most of the camper weight is on the rear axle. The COG will be slightly ahead of the rear axle which will transfer some moderate weight to the front axle. However, depending how your camper is laid out and what holding tanks are full or not, may not affect the front axle very much at all.
So at the end of the day, staying below your GVWR will mean NOTHING if you are over on your rear GAWR. You cannot take the allowable front axle weight and subtract it from the overall weight to fut within your GVWR. Does that make sense? If you really are serious about evaluating your weight.......you need to pay particular attention to your rear GAWR and then go from there. For some of you,MIT might be a matter of moving a storage hitch box from the rear to the front? Or travelling with little to no fresh water? Or travelling with MT holding tanks? And then of course you get into dealing with the topic of 19.5 rims and tires. After evaluating my rear GAWR again this year......I finally decided I wanted to error to the side of safety. I currently have 20" Toyos that give me 3750 lbs. per wheel........but with my 19.5 update, I will have another 1,000 lbs. per wheel to play with. Having said all that, my rear GAWR will still not satisfy the door sticker but I feel very confident that the truck will travel very safe. I still could be facing a fine though, despit my total GVWR being well below my 11,400 allowable from my door sticker.