Well since I'm a

firefighter

I get enough stuff in my body and don't need the extra help of some Kodiak or Grizzly jousling around in my pits. Getting back to what ob_1jr was saying about checking the injector balance that is going to cost 140 bucks and I told them if the mechanic feels they need to be checked then I would think about it. I explained to them the rest of the issues I was told about or have read about on here like the cruise high idle and the cold temp sensornot working after not hearing the rig idle up after it was started with an auto start. So they should hopefully give it a good once over

I hope.
Now bnkrpt, I just want a cool rumbleish whistling sounding rig that can handle pulling the slide in camper and toy hauler up and down our roads and mtns. or dirt and rocks in the bed. I would like for it to get good fuel mileage (a wife requirement) going to and from work or to go fishing or whatever especially since I like to romp

on down the road 65-70 mph. So we will see and take it from there. I already have another set of tires for it off my other GMC which are Toyo Open Country 265/75/R16 siped I will either put my existing riderite airbags on this one or just get an entire new setup of the 5000lb bags for the rear of the truck.
Thanks for all the help so far and I'm glad to be here.
Brad
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3rd owner of a 2001 Forest Green Metallic Chevy Silverado LS 2500HD CC LB Duramax LB7 low miles w/PPE Boost Valve, BD Power LH exhaust manifold, Merchant Auto high idle. Firestone Ride rite airbags, Bridgestone 245/75/R16's summer and siped Toyo Open Country 265/75/R16's in winter

Plan on adding a pyro and boost guage set and eventually a tuner which I am trying to find the right one for my vehicle and price range. Looking for better fuel mileage