2009 Silverado Work Truck 4.3
#11
04-15-2011 | 12:51 PM
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Joined: Sep 2010
Posts: 47
i had a 90 sierra 4.3 with cruise control and now a 99 silverado 4.3 without cruise control ... both manual 5spd ext cab open beds ... 19mpg is the best i get on long trips at 70-75mph, but i still get 19 even with 160k miles, with it unwashed ... drag is proportional to the square of the velocity, the extra 5 or 10 mph and body grime is costly.
Last edited by nw chev; 04-15-2011 at 12:54 PM.
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