318 build.

can you expound on the question? is there a specific problem you're trying to solve? a goal that you're trying to achieve with that setup?
I bought a demon. Has a 89 318 supposed to be roller that was taken and tappet put in. One thing led to another. I built in know nothing of tuning. I think 550 maybe to small now turned into a few more parts to say the least. I have a 750 ill put up pick of number. Came with car.