Hi all, I have a 73 highboy that I did the front sd spring modification to lift it. I didn't measue the height of the truck befor I lifted it so I don't know how much lift I need to order the new rear springs to accomidate for the front lift. The only way I could think of that doesn't matter what tire size you have is if you measured on the passenger side from the top of the axle to the bottom of the frame. Thanks in advance.

 

Or center of hub to wheel well should give you good measurement! Im also curious about this on a78 shortbed 4x4 what stock height is!

 

Either way of measuring mentioned will work. What lift SD springs did you use up front? I'm guessing you're looking to get rid of the blocks in the rear? Shackle flip?

 

Nope I'm keeping the blocks. I was told they were 6 inch sd springs I think. I'm. Not positive though. I'm getting new springs made at a shop called dentonis in sacramento. I'm planning to make ladder bars in the near future. And i'd prefer the way I mentioned because the other way can vary with different adjustments of the sheetmetal and worn out bushings.

 

Anyone???

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first question is did u use just the sd spring or springs & shackels they actually look like 4in springs ive done 4in springs in the front & 6in in the rear then adjust w blocks u will either have no blocks or maybe a inch or 2

 

I built a custom spring hanger and shackles. Check out my build thread in my signature for more info. All i need is someone with a stock highboy to measure that distance. I can figure the rest out on my own.

 

12 3/4" on mine.

 

Stock? Weird... With the lift mines 16 #/4 so i guess i got ripped off! When i bought the springs they came with a dana 60 front, and a dana 70 rear and were supposedly 6 inch springs...

 

You guys like that big old tire gun and the woofer cannon in the backround of the pics? Haha that's at my dad's company, and sometimes i have to change tires.. How fun! lol

 

i thought they were 4in springs dont feel bad i bought a lift off craigslist in my area n the guy said it was a 6in lift out of a excursion witch should have gave me close to 8in of lift comr to find out they were 4in springs but ill tell u shes ryt stought looks good so far

 

Good news, I'm not around the truck tonight so I asked a friend/neighbor to measure it. Well he mistakenly measured the rear, and got 12 3/4". Called him back and got him to measure the front, comes in at 10 1/2". So you got what you paid for.

 

Ohhhhh ok cool haha i thought it looked like more then 4 inches..... good thing u posted soon too. Was planing on calling the spring shop in the morning

 

Yeah I was actually about to hit the sack and couldn't stop thinking...."dang that sounds tall". So I called him back and sure enough. Looking at your build thread, are you sure you want the shackles in the front on your rear susp? I don't think you like it very much.

 

Actually, i need to update that thread haha. I'm getting new springs made and using the stock configuration of the hangers. I guess ill just have to use some grade 8 hardware with the good locknuts and bolt it back on