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Old 06-01-2015, 07:20 PM   #1
CO tyler
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Join Date: May 2015
Location: Redmond
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8" superlift springs

I just put a set of 8" Superlift springs on my 72 Jimmy and the rear sags a little over 2"? Has anybody experienced the rear sagging on Superlift springs? The springs are brand new.

Another question swapping to 3/4 ton axles. I am assuming I will have to lengthen the rear drive shaft? I have one that fits the front but haven't swapped out the 14 bolt yet.
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Old 06-02-2015, 07:32 PM   #2
audaciousduo
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Location: Vancouver Island B.C.
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Re: 8" superlift springs

Haven't used super lift but I did a shackle flip in the rear and a four inch spring lift in the front. I also wound up with that dog dragging his butt on the carpet stance. I added a new set of 2" lift springs in the rear for a total of six inches to level her out. From what I've read most guys wind up with a saggy butt as the tops weigh a ton. The extra lift in the rear goes between one and two inches to get a level stance.
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Old 06-02-2015, 08:03 PM   #3
Chulisohombre
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Location: Bangor pa
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Re: 8" superlift springs

Depending on the springs and the amount of gear and whether you have the top on or not is the deciding factors. I used pro comp rear springs with heavy duty springs and it sits level. With my heavy from bumper it does push the front down a bit to compensate what the rear does though.
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72 3/4 ton blazer. 5 inch lift on 35 inch tires. 355 corvette engine with crane roller rockers, rv cam, edelbrock carb and intake with one inch spacer. Thrush Headers with flowmaster 40 duels. 4speed sm465 manual. 4 wheel disk brakes with Inboarded rear shock prerunner style mounts and shocks.
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