How much tuning?

[S7VR4]

With a build in the works I have...

Merkel Racing Stage 2 block
5-Axis CNC Ported Street Heads with stock valves, cams, etc..
550cc injectors
19Ts ~20psi

I'm not really shooting for a HP number, just want my stuff to work well together. Considering I'm not running much stronger than a stock build, how serious will the tuning get? Will it be something I can use a stock ecu with?

I don't know much about tuning, and I fear that it may be a big deal, when it actually may not. Just looking for a heads up.

[JgGravy]

I ran 550cc injectors on an SAFC alone, i don't see why you couldn't under similar situation without much trouble. If your worried about it, i'd bring it to a shop. I've been tempted to offer a case of beer to someone from a local forum to tune mine.