I am getting around 12 in town, but I usually run it in drive due to not liking the feel of the converter locking and unlocking. Get about 14 on the highway, which is only about 1.5 less than with the stock 4.8 and 5 speed w/ 3.73's
04 regency sport truck with 5 speed lq4 motor stage 2 6.0l heads comp cam .581 .588 224 230 114lsa harland sharp roller rockers shanner ported tb 42lb injectors ls1 fans asp pulley vararam ram air intake nelson tune pacesetter ceramic coated longtubes with offroad y pipe 3.73 gears goodmark cowl hood toyo 295 40 tires