[twobjshelbys]

What is your target? These engines got lousy mileage in their 60s versions too. Well tuned adaptive fuel injection will help but you're not going to avoid a EPA gas guzzler tax today.

When I got my 2004 Ram 1500 with the 5.7 hemi and it got 12MPG in city I considered that the Cobra was doing about the best it could.