Yeah got it 100% fixed. #2 injector wasnt seated properly in the rail. The lower o-ring had slipped off, so that injector was dumping fuel. Replaced with another rail and injectors, works great.
Symptoms for the leaking injector were:
rough idle
very hard start-up
seemed to idle best with inj #2 unhooked from harness, but #2 plug wire installed
idle worsened with #2 inj unhooked AND #2 plugwire unhooked. Small pops during idle/backfire on revs
Unhooking #2 spark plug wire made no difference to the idle if #2 inj was plugged in.
Thanks for the help guys. thread closed.
PM if you found this thread in search results and have questions
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