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Maybe you're thinking of a shackle flip? Flipping the leaves themselves would lower the truck and leave you without any suspension. That's if you could even get them to bolt up that way.
You can gain 3" by flipping the stock rear shackle hangers. 5"-6" can be had by using front spring hangers in the rear.
When I pulled off my brackets I used a 4" grinder to grind the rivet heads off flush. Then I punched them through using a long punch with a 5 lb. hammer and a lot of persuasion.
On one side I ended up "wedging" the bracket off the rivets with a couple of cold chisels. Then I ground the rivets back flush to the frame and knocked them out.
My buddy just did this on his 76 Jimmy. Same deal though. You use a set of spring hangers from the front of the rear springs, and then put the shackle on hanging down. It gave him 4.5" of lift at the axle. I have seen some pictures of a Bronco somewhere before.
I flipped my spring hangers about a year ago. The rivits are softer than you would expect. I cut the head in half with a small die grinder, chiseled them off with a air hammer and punched them through with the same air hammer.
Don't us a torch if your gas tank is in the rear of the truck.
Just make sure that when you flip them that you set it so your shackles are riding at @ 45 degrees. I see some guys mount them straight up and they ride like crap that way.
Iwas thinking about doing this do the front hangers line up in the holes from the rear? will this give me that 45% that Pro just mentioned?
also could I use front coils off an other truck (longer) to level the front ie from the wrecker and if yes off of what f250 ect.
It would be on a 83 bronco with I-6 300 and untill next year 33" tires.
thanks
I really don't know squat about 83 broncs, but even if they don't line up right (which I doubt they would just on a hunch) it would be a piece of cake drilling new holes. Frames are pretty soft steel all things considered, for flex.
I am almost positive you have to drill new holes. The one guy I saw who did this on a Bronco had two bolts holding it on, and welded the rest of the bracket to the frame. My buddy just welded them, and did not use any bolts. I personally would put two bolts, one on each side of the hanger, and weld the rest. F-250's don't use coils.