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Old 02-03-2013, 07:00 PM   #16 (permalink)
Eco noob
Join Date: Feb 2013
Location: St. Louis
Posts: 13
Thanks: 4
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@mad mike I also have a g body it is an 84 cutllass. it has has a built 403 olds in it with the 2.41 gears in it, on the highway it does great 22 mpg, in town about 10. with the right motor combination 20/25 mpg should not be a problem.
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