Any chance you could stick up some pictures of the coil itself, the lead hidden away down the back, and the lead that it is plugged into the coil pack.
It may be the person who fitted the incorrect coil pack managed to connect a cable to it - that may not necessarily make it the right pack or lead to connect it.
x3 basic things to make an engine go (in a common petrol engine) - a spark, some fuel, some air.
will the engine turn over on battery power alone when you turn the ignition key?
does the fuel pump prime and fuel flow to the engine bay?
have you got a free flow from air intake and out the exhaust - no debris or blockages?