I believe a few of the most important questions you must ask yourself include:
- how much time is planned driving versus camping
- what types of terrain do you see yourself in most often
- how old are your children and how often, or how much longer, will they be traveling
With my build I was confident I would be spending much more time camping so I went for the long bed since I would be spending much of my time back there. Since I fly solo I even opted for a regular cab although I had considered the crew cab for additional storage space. Regarding that, I decided to minimize what I carry with me.
When we discuss the types of terrain you plan to travel don't forget that much time will be on pavement. I spend most of my time exploring national and state forests and parks and 99.997% of the time I am in 2WD, even when traversing through some sloppy stuff, or climbing a shelf road with loose gravel and occasional rocks. What I am getting at here is that for exploration and overlanding we are not building rock-crawling rigs. Don't give away the comfort of an 8' bed since you desire to increase your approach, breakover, and departure angles by a fraction of a degree. A mild lift and high-clearance bumpers will buy much of those angles back anyway if you really need it.
If your children are in their teens I would imagine the vehicle you are building should be focused on travel for you and another versus the entire family. If you are blessed and they are young, you can build with confidence knowing that they will be with you for many years to come. Regarding use of the front cab for additional sleep, depending upon the conditions you plan to sleep in, you must also consider an additional heating and cooling system for that area. Freezing temperatures, hot nights filled with bugs, etc.
We are on a parallel path to some degree. I built my rig for 4-5 years of travel throughout these United States, maybe 1-2 years in the great white north, and then on down to central and south America. Just about anyone with a wrench can work on my 6.4L Hemi, it's a very simple engine. And I purposely minimized the electrical complexity and went with a stripped Tradesman package.
Finally, pay the extra few dollars for the factory gears, lockers and limited slips - whatever is available.
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