Help me find the umph in my 360

keep the cam get a set of rhoads vari duration lifters
those heads like that cam over 3500
it will have strong low end and idle like a stock cam vacuum wise if you have 12@idle you will have 15 to 16
drop your duration@50 to 213 to 218 from 228 after 3500 rpm you get full lift and duration
i have used them on 3 motors they work
243@50 g/k cam
484 purple shaft cam
474 purple shaft cam