comp sugested this 269-273 , 525-532 good from1300-6400 for my friends 02 silvy ec 4x4 5.3 with a stge two tranny and 373 trutrac rear end we wana do cam pushrods springs and long tubes at the same time with a wheatly tune what kinda numbers should we expect and is this a good combo .

Also would it be an advantage to do an ls6 intake and how big of a hassel is it Thank you for looking

 

TTT IM SURE YOU HAVE SOME OPINIONS

sorry bout the caps