i went to change my ignition and plugs so i have everything ready before i spray. i replaced my AC Delco Platinum Rapidfires with autolite 104's and installed a mallory HY-fire VI CD ignition, and at first i felt like i had a miss. i went and took the wires off and then back on to make sure they were all on, the miss got less noticible afterwards. i logged some time on the datamaster and the knock count went up a little bit almost everytime i accelerated (except at WOT). i went and pulled all the plugs (except #7 since i have to pull the header. i will do it tomorrow) and took the gap to .042" and put them back. then i put my stock program back in (slightly modded for spark retard, egr, rev limit, and fans). i no longer feel a miss, but i logged some driving time today with datamaster and was still seeing spark retard (none above 4k RPM's) and it would pick up some knock once in a while. should i keep driving (after i regap the #7 plug) and get some mileage with the Program i put back in there? i did notice that when i first started driving after loading the program, i was picking up lots of retard and knock (even at idle). then after a little while it got less. it is not constant, just once in a while. if i rev the motor and let it run down, it picks up knock. i also notice that the STerms were going lean about 75% of the time before it would pull spark. what do you all say? i am lost! i want to make sure i have all knock issues taken care of before i spray it, even though i have not seen any knock above 4k RPM's and my window switch is not going to open until 4600 RPM and shut off at 5700 RPM.