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What's the difference - GM 4x4 vs Z71


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#1 Lee Bass

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Posted 01 September 2006 - 02:12 PM

Other than the obvious decal on the side of the truck, where do the GM 4x4's and Z71's differ ?

#2 tflessner

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Posted 01 September 2006 - 05:11 PM

Skid plates, heavy duty shocks and bigger standard tire size, 265's, and maybe lower standard gear ratios.........and the sticker. I think that's it? :ughdance:
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#3 jbunceiii

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Posted 01 September 2006 - 07:42 PM

So the Skid Plates on the Normal lets say GMC Sierra 1500 4x4 are smaller than on the Z71, which cover more?

#4 asilverblazer

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Posted 02 September 2006 - 09:36 PM

There is one under the T-Case, and one under the oil pan.
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#5 Green Z85

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Posted 02 September 2006 - 09:59 PM

Other than the obvious decal on the side of the truck, where do the GM 4x4's and Z71's differ ?

<{POST_SNAPBACK}>


Right off of the Chevy Website:

Suspension Package, Off-Road, includes 1.81" (46 mm) shocks, off-road jounce bumpers, stabilizer bars, (B71) Wheel flares, (NZZ) Skid Plate Package, and Z71 decals on rear quarters (Z71)

(NZZ): Skid Plate Package, includes aluminum front underbody shield starting behind front bumper and running to 1st cross-member, protecting front underbody, oil pan, differential case and transfer case, frame-mounted shields (NZZ)

Should answer your questions. :)
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#6 patman2006

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Posted 11 July 2012 - 11:55 PM

can i put z71 shocks on my regular 4x4??? are the skid plates worth puting on...

2009 GMC Sierra SLE, 5.3 6spd, z71

 

 

http://www.gm-trucks...g?_r=1363132289


#7 76251

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Posted 12 July 2012 - 01:10 AM

can i put z71 shocks on my regular 4x4??? are the skid plates worth puting on...


Yes, you can mount the factory z71 shocks on your non-z71 as long as its in the same group (i.e. GMT-800 or GMT-900).

But.....unless you are getting some pull off shocks from another z71 on the cheap, you would be better off buying some aftermarket shocks. For example: Bilstein, Rancho, Pro comp, etc.....

I prefer Bilstein 5100 series personally.
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#8 elcamino

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Posted 12 July 2012 - 06:55 AM

Fwi - The NZZ skip plate option can be ordered on any 4x4 truck and it contains the same components as the Z71 would have. Z71 is basically just an upgrade to a regular 4x4.

If it were not for the Z71 decal on the side of the box, GM would probably sell very few of the Z71 option. Whom ever thought up that idea (Z71 decal) back in 1988 should be running GM today as it probably sold more trucks than anything GM ever did. Did to trucks what John Delorean did to Ponitac in 1964 with the GTO.
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#9 patman2006

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Posted 12 July 2012 - 08:20 AM

how do i tell if its a gmt-800 or a gmt-900... im new to 4x4's!! :dunno:

2009 GMC Sierra SLE, 5.3 6spd, z71

 

 

http://www.gm-trucks...g?_r=1363132289


#10 kstruckcountry

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Posted 12 July 2012 - 09:17 AM

Basically no real difference whatsoever. Mine is Z71 and I didn't even know it. You'd be happier with Bilstiens, trust me. Mine are great.

GMT has nothing to do with drive system, it's the platform. GMT 900 is current and GMT 800 is the previous body style. GMT 400 was the 88-98 trucks.

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#11 elcamino

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Posted 13 July 2012 - 08:49 AM

There was a used car dealer around here that whenever he would get a regular GM truck he would put Z71 decals on it and he would sell the truck right away. He got found out when a guy in the local Chevy Dealer parts dept noticed there was no Z71 on the options label in the glove box of this truck he was repairing and that the decal was brand new on a 3 yr old truck. He then asked the guys in the parts dept if they sell any to this dealer and they told him, ye, he orders them all the time. He knew the owners had just purchased the truck and someone hit them.

Edited by elcamino, 13 July 2012 - 08:52 AM.

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