You could just using every other post.9 I'm using one V8 distributor to fire 2 four cylinder engines running in tamden, but I'm converting some Mallory Unilites which you just have to change the cap and rotor to a 4 or 6 cylinder.
'45 Ford PU 66 Valiant wagon, leaning tower of power. 79 Chevy C10 w/250 02 PT Cruiser Convertable