Cams are cheap. Very.
The Comp cam @ 218 is where I would start considering what you have now. The 224 Yellow Rose suggested will be needing the extra parts like a converter to start with. I think it is a better cam FWIW.
I think you need to sit back and collect your thoughts and increase your war chest before proceeding in this endeavor. We are now 5 pages into this discussion and your no closer to resolving the goal.
You want to run the car in the 13’s. This is not rocket science but does require some thought and a bunch of parts.