I usually get 23-24 pure open highway and about 20 with "combined" driving. Pretty good for a carb and 3.73 gears. We took a trip to maine and I got 25 mpg for one leg of the trip! This is fully loaded with the car scraping along the ground from the weight.
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91 GT Carb conversion, holley 600 double pumper, edelbrock performer intake, FMS "C" drop springs, march 1000 underdrive pullies, crane 1.7 roller rockers, GT-40P headers, bassani x pipe, american thunder catback, FMS 4.56's, msd aL6, trunkmount battery, A/C eliminator kit, 3000 stall tci streetfighter, AOD with transgo kit, A+ servo, 300M hardened lockup shaft, kevlar bands and 28,000 gvw trans cooler, 3 core radiator, 300 lbs stripped with a full interior
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