krobbe wrote:
From your RPO sticker:
GT4 = AXLE REAR, 3.73 RATIO (DUP WITH 5 X 1)
G80 = AXLE POSITRACTION, LIMITED SLIP
Z60 - Suspension Package, High-Performance
Z82 = TRAILER PROVISIONS, SPECIAL EQUIPMENT, H.0.
KNP = COOLING SYSTEM TRANS, HD
Yup.. That truck is more then cabable of towing...
Heavy Duty Trailering Pkg includes trailering hitch platform and 2.5inch receiver with 2inch adapter, 7-wire harness, integrated trailer-brake controller and heavy duty automatic locking rear differential
Also odd is in the towing manual it lists a 3:42 rear and Cooling package could tow 9400 lbs.. ( this cooling package includes an engine external oil cooler which I dont think you have)
It lists 3:73 rear ( Yours as towing only 7500 lbs) But you also have the Trans cooler. You also have the 4 speed trans M30 RPO which is a 4L60E. Thats the same trans in my S10 pickup)
IMO if and when you tow watch your trans temps.. I put the biggest cooler I could fit.. That was the weakest link in my truck. My 4.3l enginge never runs hot but the trans did the one time I towed without a cooler..
Your trans will die a quick death.. These trans run Hot..
Now with the 3:73 and that trans cooler..( May need to upgrade cooler) You should be able to easily tow in the 9400 range. Because the only difference in the two tow ratings with the cooling package is the fact that one has the cooling package that includes an engine oil cooler.
I think the trucks with the 9400 tow rating may have a 6 speed trans though and why they are given that rating of 9400lbs..
With that said The only items I would like to knw on top of my blabbering above is..
1. Does it have the factory brake controller? ( If not get a P3 and nothing else)
2. Does your dash tell you trans temps
3. Whats the rating on the hitch plate say for weight distribution?
4. Weigh the truck fully loaded like I stated and get individual axle weights. Subtract your door plate #'s from them and let us know..
In summary you have a good truck there with all proper options.
IMO your limiting factors will be trans heat..( But not sure until you tow)
And your axle weights ( will not know until you weigh)
Hope I am helping you and sry for the long post..