Quote Originally Posted by gassersrule_196
then why does my de smogged 80 chevy pick up with a 350 only get 6-8 mpg?!!!
.......because it has the aerodynamics of a barn door, a tailgate that acts like a NA$CAR spoiler and a 5.88 set of rear gears maybe??

Heck, my V10 F350 only does 10-12 around town And it must have every smog control device known to man on it!!