6 cyl. to V8 wiring.Help!

Thanks Sedan and Snake,I wired my 340,s MSD system no problem,I,m just going out to have a look at the old 6 harness also the 73 harness that I have with the box.I,ll probably just cut out the box and wiring and splice in.I was just trying to get any advise before i attack.LOL!Should be easy enough.I hope!