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NEVER use blocks on the front axle. It's extremely dangerous and in many states it's also illegal. You can use blocks in the back but your truck should already have 2-3" blocks from the factory. Stacking blocks often causes problems and they will shoot out if you get any axle roll. Sometimes you can just get a whole new, tall block (like a 4") to replace the factory one.
I hate lift blocks but I guess in a round about way I'm saying don't use them in the front, they will be OK in the back.
If you only street drive, you could probably get away with stacked ones in the back. I have stacked for now, and have seen video of the rear walking forward probably 3-6" climbing stuff, and nothing has broke yet, but that isn't to say it won't. I should put my shackle flip in and get rid of them, but don't have the motivation right now. You could eliminate the factory block with a shackle flip and probably get the 2" you are after.
Just keep in mind that a shackle flip is not the way to go if you do a lot of hauling with your truck. This is not to say you can't use the truck for anything but HEAVY loads will buckle the shackle once flipped. If you don't use your truck for that kind of nonsense () then the shackle flip will work great. I did mine a couple days ago and it took me all of an hour. Pics are in my gallery but keep in mind that when you do the flip the bracket should actually be a couple inches forward, enough to five the shackle about a 35* angle instead of having it straight up and down. I will be switching brackets so my setup is only temporary.
An hour? I don't have that kind of time! I wouldn't be able to post here tonight if I went out and did my flip. Piorities
Actually what DID take me a long time was to remove my auxilary gas tank so I could get to the rivets. That was a nightmare and I suddenly found all the mud I'd ever played in.
Just a heads up if you do it. I found it easiest to grind the heads of the rivets until they were smooth with the frame and then drill out the centers. I used 7/16 grade 8 bolts.
add-a leafs are an excellent way to get lift front and rear... they're cheap too! about $50 per set. you dont have to remove the springs either.make sure you get 3" wide add a leafs.
It would seem to me that cheap is what he is after, since he was looking at lift blocks all around. I guess if cheap is the goal, I would say add a leaves in the front and blocks in the rear.
cheep is nice but spending most of the money for this project for drive train rebuild and body work. its just i'm a machinest and can make these blocks. thanks for your help guys
Since you are a machinist, why don't you make drop brackets for the suspension? It would be (could be) safe, and keep the existing ride. you don't have to go to the extreme, but there is a guy on here who has a huge lift with small lift springs. Look for "Pro" in the forums and view his galleries. The front would be the only one you would have to make, as you could get by with blocks in the rear. Good luck, Ted
Actually Pro is using stock F350 springs and still has 14" of lift. There's a thread in the offroad forum right now where I linked a site that sells the drop hangers. You could probably build your own very easily based of the pictures there. Look for a post on the first page off the offroad forum by "250jl".
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