A couple of notes about installing gas lifters on the bed to access the engine. One, I used one 150 lb. lifter (from NAPA) on each side of the bed. As soon as I unhook the bed and put my hand under it, it rises as if by magic. Now, getting it down is a slight challenge. If I were to do it again, I might use 100 lb. lifters on each side. Two, you have to install some 15" (or so) metal straps to the bed board and sides before mounting the springs. The bed board is about 3/4 inch wood but it is not, IMHO, strong enough to handle repeated use of the springs. Good luck with the project. Don
P.S. The reason I did this project on my '02 is because the cheesy original supports buckled while I was crawling around the engine and the bed fell on me. My wonderful wife didn't even think about this as an opportunity to cash in the life insurance. She got an adrenalin rush and helped me out. Seriously though, the bed is heavy so beware when working under it. Also, we had Davis put access doors to the storage so that we no longer have to lift the bed to access these compartments.