Z-71 coils on rear of Denali XL?

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dirtydenali07

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So I bought the wife a 2007 Yukon Denali XL last year. I didn't know anything about the suspension, and as it turns out the rear air shocks/compressor doesn't work. I like the soft cushy ride compared to my 2001 Excursion. Problem is the Yuk sits slightly rear end down, and any, I mean any, weight in the rear makes it sag 1-2". Even without any weight in the rear, I can't see out the back window well with the rear view mirror because I'm looking at the ground not too far behind me.
So I bought a set of Z-71 rear coils and intend to install them when I have time. Questions I have are how much lift will I gain, and will it ride more harsh to where my wife has me put the stock coils back in, maybe with spacers? Also, does anyone have a pic of a Yukon Denali XL with rear Z-71 coils and stock front?
 

JoeM5952

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Moog Z71 springs pushed my rear about 2 inches higher than the front. I did 4600's at the same time so can't comment a lot on harshness but it is definitely firmer than the ZW7 package I took off.
 
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dirtydenali07

dirtydenali07

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Moog Z71 springs pushed my rear about 2 inches higher than the front. I did 4600's at the same time so can't comment a lot on harshness but it is definitely firmer than the ZW7 package I took off.
Sounds good. If it looks to high in rear I'll add lower spacers in front. If need be I'll change the rear shocks too.
 

BigDaddy13440

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Z71 springs and 2" spacers got me just shy of 3" overall height, added Ford LIFT keys (to lift an F150 or Expedition 1-3") to the front, got me a good 3" to match. Currently sitting at 39 1/2" at all four corners.

If it sits higher in the rear, you won't need spacers in the front. Just crank your stock bars to level, one full turn typically equals about 1/4" of ride height. Lift the front and support on jackstands (releasing most of the load, and crank about one turn each time. Drop it back to earth, drive a bit to let everything settle, then remeasure. Turn till level :waytogo:.
 
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dirtydenali07

dirtydenali07

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Z71 springs and 2" spacers got me just shy of 3" overall height, added Ford LIFT keys (to lift an F150 or Expedition 1-3") to the front, got me a good 3" to match. Currently sitting at 39 1/2" at all four corners.

If it sits higher in the rear, you won't need spacers in the front. Just crank your stock bars to level, one full turn typically equals about 1/4" of ride height. Lift the front and support on jackstands (releasing most of the load, and crank about one turn each time. Drop it back to earth, drive a bit to let everything settle, then remeasure. Turn till level :waytogo:.
Can't crank it. It has factory struts in front. I'll just put the spacers between the a-arm and the strut.
Had a 01 Explorer Sport that I raised 2" by cranking the torsion bars, and put air shocks in rear. Fit LT 265/75r16 on it.
 

BigDaddy13440

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Can't crank it. It has factory struts in front. I'll just put the spacers between the a-arm and the strut.
Had a 01 Explorer Sport that I raised 2" by cranking the torsion bars, and put air shocks in rear. Fit LT 265/75r16 on it.


Ummmm.... yer in the wrong section here, bud..... this is the 00-06 NBS section. You should be in the 07-14 NNBS Forum..
 

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