Quote:
Originally Posted by goinggone14
I have a 14' 1SS LS3. In the first ~2000 miles I'm averaging 16 mpg lifetime with mostly driving around town, about 600 miles on the highway. Definitely never got over 20 mpg over the course of a full tank. My driving wasn't exactly conservative the first 500 miles either, especially "learning the new clutch". 
Although, I do hope to gain 2-3 mpg over the next 5k miles now that it's broken in a bit. We'll see. |
I think you will. My life-time average is 18.2 with 17300 on the clock. It seems to get a high of 24 on the highway with the cruise set at 79, and i do not know the city, just that its 18.2 over its life.