273 Commando with Hydraulic Camshaft

don't put a comp chevy cam in your mopar or an antiue Isky one grind fits all cam - your mopar is bot a y block ford
run a compression check b 4 doing anything
let's see where you are at
highly doubtyou have a real 10:1 motor
lunati voodoo is best choice but which will depend on all the factors