u/Calm-Mulberry-7470

My plan for this car is to run max about 10~ psi. I'm still in the planning phase were I'm mapping everything out and I was curious about what I should do with the heads and internals of the engine if necessary. I also want to make sure this car isn't to unreliable. I also plan on doing something with the cylinders either way as the car has nearly 200,000 miles on it. Any advise is much appreciated.