hi im new to the tuning so i will probably have many questions and might need some help along the way. i have a 04 tahoe that im putting a set of 799 heads with double springs a texas speed shop cam and headers in. how do i know what xdf file i need to do this and what bin files? if i could get help from anyone that would be awesome i will defiantly have picture coming this way here shortly thank you for letting me join im excited