I had them on my 95 K-2500 suburban, worked great. I installed dual regulators and dual air pressure gauges so I could adjust for any load. I was going to install a truck leveling valve on the rear axle so that when I loaded it, air would increase or decrease as needed.
Tom McCauley (DP Member #513)
"Tankers-ToyII" Loaded 05 D/A K-3500 CC, SRW. Deep pan on Allison w/Transyn. Edge Juice w/attitude, 4" Kennedy exhaust, 98 Gal. Transfer-Flow cross bed fuel tank, Leer 100XQ bed cap. Reese 14,000lb class V hitch w/ dual cam HP sway control. Tow 34ft. 32FKD Holiday Rambler travel trailer. GCW 20,360lbs