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Need a quick lift spring dimension!

Vombrown

Vombrown

Mountain Man
Joined
Mar 1, 2017
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Great Falls mt
Someone measure your truck with a 4" lift for me please. Top of the axle to the bottom of the frame directly above it please. I'm needing to get an idea of the amount of lift the springs I am using provide. Ordering some parts on Monday. Thanks guys!
 
Sorry, rear axle with shackle flip or lift spring...no matter. I just need the dimension.
 
I'm sure you can find this answer if you use the search feature. I tried to help but quickly remembered I'm far different than your every day 4" lift. I started to measure and "nope, that ain't gunna be helpful" was said. LOL. I think I'm closer to 5" anyway.
 
Stephen said:
We use 8.5 to 9" from axle tube to the bumpstop bracket which is a little above frame bottom which would say you have 1-1.5" of lift on it. Would be nice to find some actual stock vehicles but we measured this up years ago from a bunch of stock, intact trucks we had around and it works pretty good. It correlated nicely to the 3" lift on my '88 sub that ended up at 11 3/4". D60 fronts tend to push that to 9" or a bit more we figure.
Click to expand...
 
With no bed on the back I have 15.25" I imagine the bed will squat it another inch or so. So by my redneck calculations..... Given that the rear axle tube is an inch larger than a 14 bolt and I will be running an aftermarket perch. It should be just about what I thought. Somewhere in the neighborhood of 5" total lift. Dang!!!! I love it when my half ass educated guesses end up some semblance of correct. I "Might" add an easy inch back there just to get a new leaf spring pin if I end up pulling any leaves out. Sweet!
 
blazinzuk said:
Do you have the axle hung yet?
Click to expand...

No, I supported the springs with a jack stand and loaded about 900 pounds on the frame (a Diesel engine on a pallet) Then measured. I doubt seriously the bed I will be using weights much more.
 
I was flagrantly misusing my bulldozer to fetch some firewood from the back 40 and took a minute to pick up the pallet with that engine and set it on there. Thought it would give a better representation of possible height. measured about 14" to the bottom of the spring.
 
Right at 12 in. on my 87 suburban with a full tank of gas. Top of axle to bottom of frame with shackle flip.
 
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