Yesterday I installed my pre-keys (with slightly more than stock crank) and shackles (1.5 inch, bottom most hole) with the help of my buddy and brother in law. Here are some pics. I don't have measurements or a before picture but for anyone who has seen a before picture of a 2008 FX4 then you'll see the difference in my after picture.
Above, I have pictures of the side of the truck, shackles, what the leafs look like after the longer shackle is put on, my adjuster bolt, front end, and where the torsion bar slides in and out of. Note that where the torsion bar slides in and out of is a little different from both sides by how far they slide in. I don't know why this is but I have driven the truck lifted since yesterday and it drives great AND rides better than stock.
One VERY important thing to keep in mind is there is definitely a nut in the form of a little plate with a loop on it where the bolt threads through on the top of the shackle. Here is a pic with it installed.
I didn't have my camera to take pictures of this thing when I was swapping my shackles out with he longer one but if any of you decide to do this mod, make sure this thing is in place when installing your longer shackles. The bolt does not thread into the frame!
Another thing to note is you cannot work on your shackles unless the truck is on jack stands. We tried jacking one side up and ran into all sorts of trouble trying to get the shackle off the leaf spring. Yeah that was fun!!
This was a very easy mod to do. One of the last things I did after taking the truck for a drive to settle the suspension I parked it back into the garage and checked to see where my adjuster bolts were. I probably cranked my bars a little past stock, somewhere around maybe 2 full rotations but I was aiming to level both sides of the front of the truck. The truck is noticeably higher, a little harder to get into but I love it, and most of all, it rides better!
I then took it to Sears auto center and for FREE they checked my alignment and put in 2007 FX4 specs and my right wheel was good but my left wheel was a hair off, everything was in green and did not require adjustment.
I plan on putting 285/75/16 General Grabber AT2's whenever I get the money and calculating the lift of larger tires, I will get around 1.3inches of lift, so total of lift will be about 3 inches all around the truck. Also, my truck was darn near level after torsion bar cranking and installation of shackles.
Here is where my parts came from.
Belltech 6400 shackles
Belltech 6400 - Belltech Rear Shackle Kits – SummitRacing.com
Ford Ranger 2007 torsion adjusters
Tasca Auto Group | Your Online Parts Dealer
Spray paint (for adjuster bolts)
Autozone Duralast 4 ton bottle jack $22.00 (Perfect size for torsion key swap)
socket wrench and sockets (I forgot the size for the back but the front was 13mm)
Greasy Goop stuff for new torsion keys being installed on torsion bar
2 Jack stands for shackle mod
Blocks of wood and a big block of wood for bottle jack torsion key swap
That's all I can think of! Sorry for the length but hope it is helpful for anyone considering doing the mod!