90 2dr sidekick 8v jx ragtop, 235/75 Dakota mt's at 28psi 2inch suspension spacers, 3inch body lift, calmini roof rack, front bull bar, calmini 2 inch catback exhaust, 19-21city 21-23 highway cruising at 75mph, 25 with windows up and cruising 65. I gain 1mpg with the rack off