6401 Summit Cam is an amazing grind perfect for your application--383's need lots less cam than others that unit will idle well still sound Good, Melt tires off idle and pull like a train to about 5000 what more do ya want? And it is CHEAP!!!!!!!!!! I have used that cam in over 30 big mopars--it rocks for street applications with low to med compression like yours--trust me -it is an amazing camshaft 224 234 460?/ 488 exh lift I would install it around 102-103 with gears you plan it is PERFECT!