Tozan
Overlander
If you're curious what removing the seats saved you, it's probably 250+ lbs. I just weighed the seats we removed from our suburban and the 2nd row captains are 68 lbs each while the rear 2 part bench is 62 lbs per side.
I think mine is more. I have the 1/3 - 2/3 bench second row, I never weighed the 2/3 seat but, it weighs a lot. Your third row seat weights sound about right.
The 4x6 bed platform I installed might weigh around 80 pounds stripped bare. I think mine with all the stuff under it and the carpet weighs in around 110 pounds.
Wire shelves are much better than anything you can build with wood. Lighter weight and each section can hold 800 pounds... Talk about over kill...
Plus I like a hinge so, they will lift up. Putting a metal screw through the shelf into the legs will keep it from falling off when you lift it up.
I had a similar discussion this morning with some overlanding folks about the weight saved by deleting the rear seat.
For me related to overlanding it was not just weight savings but, picking up a lot of storage space too. When you can trade dead weight for items you will use camping it is a win win...