Don't understand cams

i put the lunati 701 in wifes 72 340 duster, very nice streetable cam, just a hint at idle there might be something in there, 727,323s, stock torque converter, it will positively fry 295/15 mickey thompsons

What are the specs of that 340? I'm considering that cam for my dad's 360. Your PM box is full btw. Thanks.