318 intake swap, now no spark

If you have no fire at all, (no popping or anything) chk your distributor and plug wire placement.
You said you didn't pull the distributor, right?
Did you pull the plug wires?
If you have spark and fuel, theres only two things left, compression and spark timing.
We will assume that the engine has compression since it ran before the swap, so spark timing is all that's left.
Recheck your firing order and plug wire placement.
18436572 clockwise on small blocks




Alright, I've found and fixed my broken wire. I checked and have spark at the coil. I have spark at the plugs. I have fuel, but still no start. I've run the battery down cranking, so I'll try again tomorrow.