Okay, so you've made a few mistakes.
1. Big 'Uns aren't 0-1, you just have to have at least as many regular Orc units.
2. That restiction doesn't apply to Grimgor's 'Ardboyz. You can have as many Big 'Un units as you please.
And yes, in a normal Orc army, Borgut's 'Uns do count against the total.
1. Big 'Uns aren't 0-1, you just have to have at least as many regular Orc units.
2. That restiction doesn't apply to Grimgor's 'Ardboyz. You can have as many Big 'Un units as you please.
And yes, in a normal Orc army, Borgut's 'Uns do count against the total.