First thing I'd do is to check the reluctor gap.
Then mayba a different ECU. (but I wouldn't expect it to change anything.)
1,3,5 and 7 huh?
That's odd. :D
it would have to be doing this.
1. fires
8. no
4. no
3. fires
6. no
5. fires
7. fires
2. no
That seems to have to be a mechanical problem to me, as electrical components can't decide to fire only the even numbered cylinders.
