Regardless of anyone's opinion on how useful the info is, thanks @Yeti_Owner! I feel like one of the few people who's still at stock ride height around here, and this is definitely getting saved. Appreciate it.
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Sad to say the above posts aren't correct info, but thanks for tryin' to help guys : )
I was able to look up the service manual and get the numbers.
http://workshop-manuals.com/gmc/k_1...ns/vehicle_ride_(trim)_height_specifications/
The trim, or Z height, for these k1500 4x4's is 3.74 inches, measured between the bottom of the lower balljoint and the pivot bolt middle (see the below picture ref #13)
View media item 31093It's measured like this:
"Z" HEIGHT
1. Lift front bumper of vehicle up approximately 1.5 inches.
2. Gently remove hands and allow vehicle to settle on its own.
3. Repeat this operation twice more for a total of three times.
4. Measure "Z" height, Fig. 1.
5. Push front bumper on vehicle down approximately 1.5 inches.
6. Gently remove hands and allow vehicle to rise on its own.
7. Repeat this operation twice more for a total of three times.
8. Measure "Z" height.
9. Find the average of the high and low measurements. This is the "Z" height. "Z" height should be 3.74 inches