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camaroman101 · 10-03-2012, 01:23 PM

my last two tanks were 18mpg 40%city and 15.6mpg 75%city

the 3.23 i have now were part of an optional performance axle package, stock they came with 2.73. how much of a difference would that make in mpgs?

10-03-2012, 01:23 PM	#7 (permalink)
camaroman101 EcoModding Lurker Join Date: Sep 2012 Location: Skokie, IL Posts: 17 Z28 - '95 Chevrolet Camaro Z28 90 day: 17.47 mpg (US) Thanks: 3 Thanked 1 Time in 1 Post	my last two tanks were 18mpg 40%city and 15.6mpg 75%city the 3.23 i have now were part of an optional performance axle package, stock they came with 2.73. how much of a difference would that make in mpgs?