As I the title reads I would like to know the Best timing chain set for my 76 F350 scs 460. I have super comp hooker headers, 750 carb. I have heard that the best are cloyed pre 1972 ?? I have No idea. Maybe someone could point me in the best direction please. I am having really slow response time and crappy tourqe as well as the occasional pop/backfire? So any help would be greatly appreciated.