"NOT" Like a glove

hey im new to your site but i have been use alot of info i find on the web comes from hear!! my project is a 1972 Dart i stuffed a 440 in it and its not as easy as i thought mabe some of you can help. hears where i am to date mini tub, RMS 4 link, 8 3/4 3.55 sure grip,narrowed total 5", sub frame conectors, RMS front altercation coil overs and rack, wilwood disc, 727 with 2800 stall not sure if i got that rite??? OK now car was a AC car and i really want to keep AC any new info or ideas seems all i find is older info?? next what should i run for radiator size brand one i can just friken buy and instal, and whats a is best afordable belt and pulley system that works and looks close to stock i dont like the March look hear are some pic's so far