Cam advice for ill advised 318 combo?

The large valves do not bleed off compression.
Yes to headers and 273 rockers
The Edelbrock Perdormer is equal to the OE 4bbl. I take.
Keep the TQ if it works good.

What is the compression ratio. Calculate it with the head gasket your going to use.
What is your I tended gear ratio a d tire size?
Are you willing to purchase a high stall converter?
What trans?
What is the desired goal?