You seem to be hung up on replacing your injectors for some reason. Injectors alone do not add horsepower and I'm sure your stock ones aren't even close to being maxed out.
I also doubt that throttle body added anything as the stock one was up to the task based on your few mods.
We'll be waiting on the edge of our seats.😄
You said it best, his knowledge is clearly limited and then when he doesn't get the answers he's looking for he becomes argumentative. Reminds me of my teenage daughter.
I had a Scat Pack with the 392 and it had 485 horsepower. I now have a T/A 392 with a CAI from the factory. It also has 485 horsepower. There's your real world data on how much power an open CAI works.
Zippo, Zero, Nada
I don't need to Google it. Just because you see it advertised doesn't mean they actually sell any. Chips were for cars that came with OBD1 computers, pre 1996.
Don't believe everything you read on the internet.......