My 04 liberty went from 20mpg to 15.9 after a lift and 30's....'93 Silverado 4x4/5.7 extended cab average around 16.5mpg...the '12 Silverado w/the 5.3/ext-cab is right around 17mpg around town/highway and high 18's on the highway.
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1991 Camaro
1992 L98/ttop Firehawk tribute (sold)
2006 Srt-10 Viper
2012 z-71
2011 Equinox (family vehicle)
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