By the book

hey guys ok my grow box is setup and i got 12 lights 6 42 watt 2700k bulbs and 6 28 watt 6500k bulbs now ive been pondering this for a while and yes i said pondering lol... im going to go exactly by the book to test this theory cause i cant get a direct answer on here.... im going to veg and flower with the 42 watt bulbs cause in the book it even says just 6 42 watts bulbs.... now going by this what do you thionk the reulsts will be cause if the book can do it .... it should work right or is there somthing uin the book i am missing here