Message: The 5.2's with 4 spd autos are not known for the best mpg. The newer 4.7's with 5 spd autos are better. Mine has given me 21 US/ 24 Imp mpg on a hiway trip in summer. Cruise control on at 60 - 70 mph.
2004 Dak QC 4x4, Champion copper plugs, Leer cap, K&N drop-in air, 38 psi in 44psi 16's.
Subject: RE: problems with gas mileage