CM871 kickin my Butt

[RustyWood]

Thanks guys, I finally have Insite working !!!! yahoooooo, Idle at 773-790rpm, went through cylinder cut out tests and it will run on each #4,#5 & #6 individually.
#4 drops to 590-620rpm,
#5 drops to 610-650rpm,
#6 drops to 660-702rpm,

front 3 look much weaker
#1 drops to 492-531rpm,
#2 drops to 460-513rpm,
#3 kills engine instantly.

I can tell #3 is acting like a dead cylinder as it contributes nothing turning it off and on.

Well Rawze, does this mean my head is bad? Or maybe Valve? What do you guys think?

Remember a shop replaced Injector #3, then I replaced both #2 & #4 proving with the leak tester they were pushing air in water, I never saw proof on #3 but that cylinder is acting dead. Here's where I need you experienced guys to steer me ?