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Hi! I am planning to convert a 2023 Transit LWB MR ecoboost AWD into a camper. I read somewhere that I should put the heavy items on the passenger side because the fuel tank is close to the driver side. What’s the weight difference between the passenger side vs driver side for an empty van? Has anyone weighted the weight pressure on each of the tires to see if there a big difference between them? I plan to have a 30G over the wheel well tank so it’s quite heavy. Thanks!
 

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Discussion Starter · #3 ·
thank you for the very thorough reply! It’s very helpful!

Fuel tank and battery on drivers side offset somewhat by the exhaust and slider on passenger side. Ford doesn't seem to worry.
Nice thing about my minimalist lightweight build is I don't even have to think about it. I just store heavy loads low and light loads high.
Fords take on the subject will be found in the link.
 

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You can always run your van over the State Highway scales to get the weight on each tire. Go there when they are closed and not requiring trucks to weigh through. The scale should still have a display that will light up and show the weight on the scale. The reason to go when the scales are not open is to be able to position the van so that only one tire is on the scale at a time. Try to locate the van so that three of the tires are just off the scale and one tire is as near to the canter of the scale as you can get. That takes a little jockeying and you can't do it with semi's lined up behind you. You can also get weights for the front axles/rear axles, drivers side/passenger side and all four tires at once. Record these weights in a log book, which you should keep with your van and include tire pressures, mileage and any other data you may find valuable.

I think that most highway scales are accurate to +/- 50# which is close enough for this purpose. This will tell you what you are starting with and as you add items to your build, where you might want to locate them. All of this is much easier to comprehend if you have been an experienced boater. Trimming your load really matters in a boat.
 

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2020 High-Extended AWD EcoBoost Cargo with windows
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Hi! I am planning to convert a 2023 Transit LWB MR ecoboost AWD into a camper. I read somewhere that I should put the heavy items on the passenger side because the fuel tank is close to the driver side. What’s the weight difference between the passenger side vs driver side for an empty van? Has anyone weighted the weight pressure on each of the tires to see if there a big difference between them? I plan to have a 30G over the wheel well tank so it’s quite heavy. Thanks!
Prolly don't worry too much. But there is another thread on this recently. Various builds all over the place. Weight discussions often turn into a "weight weenie" focus. Worth noting that even the 30-gallon fuel tank is less than 200 pounds full; and a 30-gallon water tank is closer to 250. Folks will get wrapped up in those two numbers... but ignore the weight of the driver and/or passenger. The van seems to handle just fine with the fuel tank empty or full - so a 200 pound difference. It's not as big a deal as it might seem.

With the medium-length, not a whole lot to worry about weight behind the rear wheels (just less room than on the extended) and the suspension is still ready for the full load. Simple rules: keep the heaviest stuff between the front and rear and you're in great shape.
 

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but ignore the weight of the driver and/or passenger
Yea skinny guy driver vs big guy with his teenage progeny in second row behind him = 250# difference on drivers side.
IMO weight distro is not something to sweat, but also good to try and make reasonable considerations. It's a cargo van camper, not an autocross car. Presumably it will be driven a bit differently.

I find it curious that while weight distro concerns comes up occasionally, COG never does (well except one curmudgeon). Quite a few folks don't seem to think twice about raising a HR van and adding all kinds of weight on top of the roof and on the ceiling and at the tops of the walls.

With the medium-length, not a whole lot to worry about weight behind the rear wheels (just less room than on the extended) and the suspension is still ready for the full load. Simple rules: keep the heaviest stuff between the front and rear and you're in great shape.
It does seem that weight capacity of the front axle can be an issue (especially w/o the HD axle?) .
So some weight behind the rear axle could actually be helpful in reducing the front axle weighting should that be an issue in a build.
 

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...
I find it curious that while weight distro concerns comes up occasionally, COG never does (well except one curmudgeon). Quite a few folks don't seem to think twice about raising a HR van and adding all kinds of weight on top of the roof and on the ceiling and at the tops of the walls.
Agreed on that. I'm surprised at the mounting of batteries above the floor, for example. Or water. Not huge weights, but the higher it is, the less preferable. Or piles of wood in cabinets or ceiling. 🤷‍♀️


It does seem that weight capacity of the front axle can be an issue (especially w/o the HD axle?) .
So some weight behind the rear axle could actually be helpful in reducing the front axle weighting should that be an issue in a build.
In theory, for sure. In practice, I suspect one would almost have to go out of their way to overload the front - unless the water tanks and/or battery are across from the slider. Between the cab and the slider, it's not going to be easy to have more weight toward the front wheels than the rears as one adds. Maybe someone has pushed the limit... but I'd bet it's pretty uncommon - even if it's ignored.

Given the stock low-weight over the rear axle (assuming Cargo), I suspect loading up between and just in front of the rear axle is probably the optimal weight locations.
 

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I suspect one would almost have to go out of their way to overload the front -
Here is the posting that I remember raising the concern. Yes some heavy stuff on front and overall heavy build, but not a case of "going out of their way" . A very well thought out build with lot of stuff in a regular length.
Going over max weight on front suspension
Agreed on that. I'm surprised at the mounting of batteries above the floor, for example. Or water. Not huge weights, but the higher it is, the less preferable
Funny you should mention. My water and batteries (~350 lbs) are going on top of the wheel wells. That is one compromise for space utilization/access. Safely securing the weight there is proving to be a challenge. But at least the weight is directly over the wheels. :) I suppose some of that weight is offset by the fact that there is more storage for other stuff, albeit less dense, that will be stored on the floor rather than higher up. About 1/4 of the impact of lifting almost the whole 9000 lbs a few inches or a couple hundred pounds of stuff on the roof.
 

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The front axle is almost at gross on the rear wheel drive, That is why they put the heavy duty front axle on the AWD.
I think I would try to keep most of the weight centered on the rear axle, And I did.
 

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Here is the posting that I remember raising the concern. Yes some heavy stuff on front and overall heavy build, but not a case of "going out of their way" . A very well thought out build with lot of stuff in a regular length.
Going over max weight on front suspension
Ah... as you said, non-HD front axle that could be an issue. As @Michael Ophus says, not much room left to add weight to it. Good thing for the HD front axle, then!


Funny you should mention. My water and batteries (~350 lbs) are going on top of the wheel wells. That is one compromise for space utilization/access. Safely securing the weight there is proving to be a challenge. But at least the weight is directly over the wheels. :) I suppose some of that weight is offset by the fact that there is more storage for other stuff, albeit less dense, that will be stored on the floor rather than higher up. About 1/4 of the impact of lifting almost the whole 9000 lbs a few inches or a couple hundred pounds of stuff on the roof.
Yeah... we struggled with that on the last rig as well. It's hard to beat using that space. We put 20 gallons of water over the passenger wheel. 🤷‍♀️

I really do wonder about that math - not questioning yours, just always curious how the math works out - on 200 pounds a foot off the deck... 🤔
 

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I really do wonder about that math - not questioning yours, just always curious how the math works out - on 200 pounds a foot off the deck.
Yea just some real rough SWAG #'s to illustrate the jist of my argument. Just looking at the delta weight x distance from floor ... so assuming the starting COG is the floor. If COG is below the floor then this is a over estimate, if COG is above the floor then and underestimated.

Might be interesting to a bit more what if sensitivity see how significant the impact is. Seems like the most difficult part would be to determine the COG of the van from the factory. If someone was to be so industrious IIRC, there is a method to empirically determine it shown in the BEMM (or was it the BBLB?) Of course, the impact on vehicle dynamics it's got to be way more complicated than a single point.

One note of comfort that I use to fool myself is comparing the batteries and water to all of the weight of the seats in a passenger vehicle, let alone when they are loaded with a bunch of people. Of course stability problems associated with 15 passenger vans has been know/reported/studied for a long time.

I seem to recall reading that on (some?) SUV's even loading the wayback raises the COG. Maybe that was cited as one of the factors in the rollovers when the underinflated tire on Explorers were blowing out. (Stuff on the roof too?) In fact that may be (part of) the impetus for the TPMS requirement.
 

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You can always run your van over the State Highway scales to get the weight on each tire. Go there when they are closed and not requiring trucks to weigh through. The scale should still have a display that will light up and show the weight on the scale. The reason to go when the scales are not open is to be able to position the van so that only one tire is on the scale at a time. Try to locate the van so that three of the tires are just off the scale and one tire is as near to the canter of the scale as you can get. That takes a little jockeying and you can't do it with semi's lined up behind you. You can also get weights for the front axles/rear axles, drivers side/passenger side and all four tires at once. Record these weights in a log book, which you should keep with your van and include tire pressures, mileage and any other data you may find valuable.

I think that most highway scales are accurate to +/- 50# which is close enough for this purpose. This will tell you what you are starting with and as you add items to your build, where you might want to locate them. All of this is much easier to comprehend if you have been an experienced boater. Trimming your load really matters in a boat.
you can also check out commercial recycling places, particularity metal recycling. they often use weight scales to measure the amount of metal you are dropping off, however, these are often raised platforms so it might not be possible to do only one wheel but you can do front and back. accuracy might be another issue. but for me i have one within one mile of my house, were as, i doubt there is a highway scale within a 100 miles
 

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accuracy might be another issue
I states that have reasonable levels of consumer protection, those scales should be inspected/certified by the office weight and measures. The tare weight of my vehicle seems reasonable on the scale at the place I take my scrap to.
I suspect attempting to use the scale to get axle weights there might not be taken kindly.

Took me a while, but I found it. A Don Martin classic
Motor vehicle Font Line Automotive design Art
 

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I used to work at a junkyard repairing equipment, The company owned seven junkyards in two states. In the five years I was their the steel scales were never recalibrated and the radiation detectors did not work at all. The copper scales were accurate though.
I would be leery driving around the steel scrapyard with my expensive transit tires, There are so many nails laying around that many of the company vehicles have run flat tires.

 
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