new from south dakota

[92 sierra slx]

hi im new from south dakota i drive a 94 chevy c1500 with a 4.3 and the 700r4 trans with 3.73 rear gears
here is a pic

i also drive a 07 f150 base model with the v6 and 5 speed manual
that is my dads truck i share while my truck is down for mods/repairs
heres the pic of it

im interested in learning the best way to increase milage on both since i make a 250-300 mile trip one way every other weekend in the f150 and soon in the chevy once its up and running again

[SVOboy]

Welcome to ecomodder!

How loaded is the bed? I might consider an aero bed cap if you can swing it for the long drive,

[92 sierra slx]

the 94 has a tonneua cover and id like one for the ford but thats up to my dad since its his truck