I get that feeling especially driving the largecar(semi tractor trailer). Rolling down the interstate thinking that its a little down on power. Then I roll around another semi going up a hill, when I was pacing him on the flat. Yup, it still runs ok.

Michael

93 W250 CTD getrag, Bosch 185 injectors, AFE air filter. Trailer puller, daily driver,

90 W250 CTD 727 with smokin 5" stacks. Off road truck

75 Dodge W200 440 4spd 4x4 locked front and rear, twin disc clutch, E85. Pulling truck