Hey everyone. I just bought another Duster. So far the only things I have been able to gather on the motor is it's a 360, 340 "X" heads, KB 107-8 (.060 oversize) pistons, Crower 31205 cam (290/298 duration, 507/522 lift), Mopar P4120094 head gasket (.024"-.028"). I don't know deck height...