K5 springs same as 3/4 Ton Suburban?

[chvyhs]

Will my old K5 2.5" lift springs fit my 3/4 ton suburban? It's a 77K5 and a 90 Suburban. I also need to if Dana 44 and 10 bolt steeering arms are the same. Thanks(giving).

 

[thatK30guy]

Yeah, the front springs will work fine.

The rear springs on the '77 will be shorter than the '90.

Also, the steering arms are the same, too.


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[Grim-Reaper]

Front springs will fit. spring rate may be an issue may be a savior. Burb has a 1000 lb on a K5. If those springs were stiff in the k5 they may be fine for for the burb and ride good. I think the Burb runs longer springs in the back.

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[wayne]

Front springs will fit but you might need to change the front bushing and sleeve like I had to do on my 89 K5 and my springs came out of a 78. Shackel bolts are the same it is just the front bolt.

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[chvyhs]

THANKS. That's the info I wanted to hear. I just picked up the Sub yesterday and it just doesn't look right. I've had those springs taking up space for about a year now. I couldn't even give them away. I hope to put 4" or 6" of lift later with 35's.

 

[thatK30guy]

Wayne, while I have never had any GM truck newer than '87, what is the big difference on the front spring bolts? I keep reading about a difference from the older ones. Help me out here.


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