I think I finally found the miss

Found this when I pulled the #1 & #2 plug wires on the front bank to use a spark tester. Ouch. Burned right through to the wire core from contact with the exhaust. Seems I need better wire holders on the front bank. I hope I can find replacement red cable sheathing by the foot.
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I'm missing the two of the clips on the front bank. I secured new wires with cable ties; not tight enough it would seem. I cut them to the same length as the wires I replaced; I now suspect those were overly long with too much slack.

I added new clips to my injector o-ring order from Rutlands. I'll have to Dremel out the broken stubs from the old ones still in the cam cover spigots.

 

Thanks...I never though to check Amazon.