Trailer towing hookup questions

12 miles to dirt track, 1 hour to drag strip, all 2 lane 45 and 55 speed limits no real hills just a few turns. trailer is 2 axle no brakes at this time but wanting to add, weight 1000 lbs and 3000lbs is heaviest load ill pull. my truck is a 1980 D150 /6 od833 short bed no power anything and im not thinking its got heavy duty nuff rear suspension to even consider but might could if upgraded right maybe. got a RV i plan to use when hole family gose with me but not wanting to feed that big monstrosity every time i wanta go play, am i crazy thinking my lil pick up could handle it???