Change the differential gear ratio,
Swap the transmission for an automatic with overdrive (700R4 or equivalent,
Downsize the carburetor,
All of which takes money but, I have a 71 C10 4+2 with the 350 cu in engine bolted to a 700R4 transmission which gave me 19 mpg highway, 20 mpg if I held it at 55 mph.
Cut the springs from the front & burn the back fleas
check the the positive cable fuseable link may be burn out
heat the cap up with a turbo torch and burn the plastic out of the cap groove.
They Burn the Thistles was created in 1972.
Right now the pickup truck that is getting the best gas mileage is the Chevy Silverado Hybrid. Because it is a hybrid, it uses technologies that help it burn less fuel.
Besides these Energy is produced.
Long Burn the Fire was created in 1972.
I don't know where it is on your truck but I would check and ignition relay. I had one burn up on my 70 Chevelle and it did this same thing.
Burn Like a Candle was created on 1972-06-25.
5W30 weight in the cold months. 10W30 in the hot months. If you use HEAVEIER weight it will BURN the valve train up / CAM and LIFTERS.
burn rubber out and cut shell out of the arm bushing holefreeze new bushing in freezergrease hole welltap or press new bushing into arm bushing hole
they burn them