As for the battery it wont start fully chargerd, nor in boost mode on the charger and neither with kables to my truck so its not the battery I would say.
As for fuel it's the correct one, fresh, but besides that, even with brake cleaner it does only gives an attempt by firing maybe one or two cyliinders, but no real start attempt.
Will recheck the timing again.

Was thinking about a leak down to double check / rule out other stuff but my compressor is not up to that task.
Thinking as cranking makes it sound like there is no plug in it but again the dynamic compression ratio is plenty on all 8.

Logically it should fire right up or at least try to...