Switching Leaf Springs

[RegulatorInqInq]

I've got a 86' 1/2 ton longbox 4x4 with stock springs.I've also got a 77' 1/2 ton shortbox 4x4 that had a stock (I think) lift on it.Can I take the springs off of the 77 and put them on the 86?Will I have to change the position of the shackles?What is the proper way to measure the length of the springs?Any help would be appreciated because I pretty much know jack about springs.thanks.

[high rider]

yes they will fit. all 73 too 87 chevy truck parts are interchangeable.

[Chvy350SS]

They will work. but you might have to move the shackles...depending if they are both 52" or 56", cause both were made..im not forsure what those would have, cause i know more about 2wd...but just measure them from the mounting holes..