well...went to get a diagnostic check on the 02 V8 today and comes up that cylinder #1 isn't firing. We changed all 8 spark plugs and still does the same thing. Same thing as in: whenever i accelerate slowly 50-60, there is a harsh rumble coming from the motor itself and my guess is that it is a misfire. i havent checked if it was the spark wires yet though. anyone care to help me? much appreciated and thanks!