Pin some prop or suspension if you're going on for that short.. 400mg EW is plenty if you're just planning on cutting. You can get very hard and not retain much, if any water. People don't understand that you can cut very successfully with just test.
As far as bulking is concerned, you'll put on more muscle with test than without test. But it won't be very eventful at 8 weeks. You should go big and short or draw it out a little longer with bigger, but moderate doses.