1. we sell the jeep cps to mopar distributor bushing for both big and small blocks.

2. megasquirt can decipher a variety of standard trigger wheels you just have to mount one and a sensor and then configure megasquirt to use it. make sure if your welding it that you get the missing tooth placement correct in relation to your sensor.

3. ms2 should be able to do what your looking for. I don't think it has enough drivers to do coil on plug ignition.

4. no ignition control through megasquirt. that's the only drawback to not using the full computer control. not really an issue unless your running boost of planning on squeezing every last MPG out of your setup.