Magnum 360 build. (HP/tq?)

comp, .480/.480 hydraulic roller cam, Dodge 360 - Google Search

Probably This cam



Stock 5.9l short block Makes

350 hp at 5000 rpm
367 tq at 5000 rpm 88% of peak tq
417 tq peak at about 3700 rpm 1.16 lbs-ft per cid

Add for Cr and head flow.
Possibly more cam.