Chevy Trailblazer 4.2l 6 cylinder Head bolt torque, removal and installation order

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I have a question I have an 06 trailblazer 4.2 when I removed the head I noticed some of the valves are open. I lined up all the timing marks when removing the chain and gears . Is this normal I’m used to the valves all closed on every other engine I’ve worked on

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