U can use a out put from ur f con pro v fire me a text dude I can help
We have done quite a few cars with this setup and the rev counter is tricky to get running but it is possible.
Here's a example of the one's that we do.
http://www.toyotagtturbo.com/forums/showthread.php?86716-ECC-Coil-On-Plug-Ignition
Here's it running.
http://www.youtube.com/watch?v=qR5Zt42gkf0
Yo people
I fitted a coil on plug coils to my hks fcon pro gold!
How do u go by getting the rev counter to work or to install and aftermarket.
thanks for ur help