I just installed the 4" pro comp superduty lift springs on my 76 f250. It was over all, very easy besides doing it in the negative degree cold here in MA. Surprisingly I installed the springs with no custom work aside from grinding off the military wrap, grinding part of the stock front crossmember and drilling out bigger holes for the bolts. I think the lift looks more like 6 inches or so. My problem now is that I need to find a way to lift the back of the truck. I have noticed that most lift kits use blocks/add a leafs for the rear Instead of new springs. I would like to avoid buying new springs for the moment so i am looking to block it/ add a leaf. I know i have a stock 4" block in there already and cannot find long enough ubolts for anything bigger than the 4" block. If i can find longer, they are way too wide for the axle. Does anyone know where to get longer springs that would fit maybe 6 inches of block and all of the other components? Im guessing they would probably be around 16-17" long. And how much lift can i realistically count on from an add a leaf? I guess i just find it hard to believe that one leaf will raise the whole rear up 2-2.5 inches. If i can stay away from blocks all together i would but this truck sees very little off roading for now and is never driven on the highway....I have new trucks for that. any suggestions?

 

You might want to watch out with the lift in MA..

Check out a spring shop they should be able to get you any spring you want.. There is a good one in Lawrence... It is Duda spring..


Also why not take a few minutes and join the MA chapter..

You can join under the USER CP group memberships..

 

Lift laws.......that's what everyone's talking about when they see the truck. Ive seen some big lifts around here in worcester, but what exactly is the law? I was also thinking custom springs, I have to get a quote from somewhere like you mentioned.

 

In MA they have a formula they go by.. All I know is that in OCtober 08 they tightened up the Inspection rules.. I had to go through a DOT inspection, which is no problem since my truck is an 06.. My sister in law got rejected because she had one of the old Green License plates..

I am sure if you roll in there with anything but stock they are going to have a field day with ya..

My son has a 77 f250 that is lifted and we had to put smaller tires to lower it to make it passable and that isn't even registered..

 

A shackle flip will provide you what you are looking for There are several options for this modification, and many can provide you with your desired lift.

 

He is a site that explains the MA lift laws..

2007/2008 Vehicle Lift Laws & CMRs - MassCops - Massachusetts Law Enforcement Network

 

Ya they really have tightened up the laws around here as far as inspections go I have some bigger trucks and trailers that are supposedly supposed to be DOT inspected now as well as of this year i think. I was thinking shackle flip as well or atleast a combo. I have seen some examples on here using the chevy hangers. how much lift would i get using the stock hangers i have now? would i be better off just going through a junkyard and looking for the chevy ones? I want to do this as safe and correct as possible but also quickly so i can move the truck from the house to my shop. The driveway is getting smaller from the snow lol and as you can see its a pretty tight fit now with more on the street.

 

Shackle flip. Quick, reliable, and gives better flei've heard, never done it).

 

I use the chebby hangers because they are longer and provide more lift. You can use anything that you like as long as they provide you with the lift required to achieve some ride heigth. This is easy to measure since you already have weight on the truck.

You should first start with the rear, and flip the shackle. You will have to remove the original hanger, and install it slightly closer to the front to achieve the correct shackle angle.

Alright, just flip the existing hanger will net about 2 to 2.5 inches. I believe it favors the 2 inch mark.

Replace the hanger with a hanger similar to the front fixed hanger for the rear spring (look at what the factory hanger for the front of the rear spring looks like, and imagine that in the rear with a shackle facing down) should net about 4 to 4.5 inches. I also believe this favors the 4 inch mark.

Now, you can play with the front hanger, and add some length. Two additional inches of length will net 1/2 of the amount, or one inch of lift since you are only lifting half of the spring.
Making ir finding a longer shackle now will lift even further, so each application is a little different. These compression shackles are under a different style load so be careful of how long you make the shackle. The hanger change is not a long or big deal, to accomplish, and if you stay with the narrow chebby style spring and hanger, you can upgrade to longer more comfortable springs like the chebby 64" long units later down the road.

 

Im taking the bed off the truck soon and bringing it in the garage for body work and paint which will make all of this easier. Im thinking i'll need atleast 4" in the back if not more. The problem now is looking through the junkyard in the 18"+ of snow we have now combined with the 6" to 12" we're getting wednesday lol.

 

Could ya share some pictures of the grinding and drilling part of this? I want to see this because I would love to do this to my 76. What year SD lift spring you use bud?