Do the charts you have quote N1 as well? Would be a good check to see what it is like if you fly the N1 instead.

You may be interested in this: http://www.skybrary.aero/bookshelf/books/552.pdf

Airport was Sydney, +27 °C OAT, wind 050@10 kts, RW34 departure.

Calculated Accelerate/Stop distance is 7600 ft, actual 9400 ft.

Best regards,
Robin.