Originally Posted by Michael Yount
I consistently got 25-27 highway with the modded 5.0L in the car. I figure the LS3 will be similar under similar conditions. More displacement -- but more efficient with higher CR and a more contemporary ECU.
Have you had the vert on scales Roger? How much? Weight is a bigger mileage penalty around town than on the highway.....aero is the key there. Although neither of our "bricks" are going to win an aero contest
That's for sure!
It's been a long time since I had a weight on it. I may not even be remembering for sure...seems it's around 3400lbs, but that was with the 350 rather than the LS engine. ... I just looked up specs, and 'shipping weight' is 3340.
Shipping weight on the 61 is 3485.