Engine mods on an 86 4x4 for towing a 3000lb. travel trailer???

[reddog74usa]

I recently picked up an 86 4x4 long bed that is bone stock and original with 68K miles on it. Very solid rust free AZ. truck but it runs like a slug so I want to zip it up a little so I can pull a 3000 LB. travel trailer. It's a 350 with a 700R4 and 3:73 gears. Looks like it's got every pollution control known to man on it. Any suggestions as to carb, cam, removing pollution controls, swapping out the exhaust ETC. would be appreciated. I'm in Colorado and elevations do change drastically so I'll need a combo that will work with that. NOT lookin for a hot rod just a nice crisp running truck.