Should have 7 marks, TDC and then 5 deg increments up to 30. Do you have TDC plus 3 marks? Could be 10, 20, 30.
Compare with the picture you will find in this thread (or measure a mate's crank pulley)
https://www.sau.com.au/forums/topic/73824-adj-camshaft-pulley-new-cam-belt/
What kind of ecu do you have? Did you get any charts with the car? Some combos are super laggy and won't do much until wound up.
Have a look through the RB25 turbo upgrade section in Forced Induction and see what other people are achieving with the Holset Hx35.