TruckMeRunnin

Ok so I replaced cap rotor and wires the number 2 miss is gone and the truck is drivable again yay lol 5 is still missing at idle but it didn't seem to be an issue it still idle ok a little rough but not major and it doesn't miss at all when driving only at low low speeds and at idle ultimately I would still like to figure it out any thoughts given that I replaced the electrical

So here are my thoughts this far. I'm getting under the hood tomorrow so I'll check plugs for carbon tracking or cracks and I'm thinking switching the 5 and 7 wire to see if the misfire at idle moves then I think that might narrow down wires maybe also will check pressure regulator for seepage. Is there any way to test and know for sure it's the cap and rotor if I don't find and issues with my wires and plugs? And can anyone explain why cylinder 5 doesn't miss while I'm driving and only at idle and why 2 does the exact opposite? Also this all started after I set my cam offset to 0 it was at +6 before I adjusted it and ran just fine...

That's kinda the route I was thinking but I really am trying to narrow it down so hopefully I can just buy one part for now instead of multiple just throwing parts at it. I did further testing with my scanner while driving keep in mind there are still absolutely no codes being set off but the live data show's over 180 counts of misfire on #5 at idle zero while driving. And my culprit while driving it's #2 missing intermittently anywhere from 2 to 20 counts at a time? Now if I floor it I don't get any misses or stumbles does any of this help narrow down the most likely cause?

97 GMC Sierra k1500 and no it's not throwing any codes or flashing cel. Funny thing is it ran just fine on the way home from work. I hooked up my scanner and ran live data on dash command it's missing on cyl 5 at idle and at low rpm when driving but when I was driving at higher speeds it was not missing at all on any cylinders then when I got down to 5mps in my driveway it was showing a miss on 5 again still not throwing a code and now it's not missing like crazy how it did on my way to work today. This is confusing lol

So I'll make it short need help got my cam retard set perfect just did spark plugs truck runs fine one day then starts misfiring while driving the next checked cam retard while driving it's good so I don't think it's timing and it drive fine when I pulled out of my driveway but 10min after leaving started missing again my buddy thinks it's old plug wires what's your thoughts buying parts tomorrow need opinions fast