E Eric New member Joined Jul 6, 2009 Messages 10 Reaction score 0 Points 0 Feb 27, 2010 #1 What kinda gas mileage would a 1975 GMC Jimmy, with a 400 Ci (6.6 L) small block engine get?
E Ed Corvette New member Joined Mar 13, 2010 Messages 2 Reaction score 0 Points 0 Mar 14, 2010 #2 Gas mileage is very poor. According several road test from that time. Normally you can reach 8 mpg and of road a staggering 6 mpg. I own a '76 Jimmy 400 cu and I can confirm that more or less. If you do your best maybe 9 mpg is possible. Greetz Ed
Gas mileage is very poor. According several road test from that time. Normally you can reach 8 mpg and of road a staggering 6 mpg. I own a '76 Jimmy 400 cu and I can confirm that more or less. If you do your best maybe 9 mpg is possible. Greetz Ed
