So now I bought a H23a usdm from a prelude. I want to keep it NA, no turbo, but I want to get around 300- 350 whp. Possible? I also been looking hard how to do this and I came acrosse a H23A Vtec, how much better is this? Could i do it out of the H23A i have now? Any more info will help, I have been searching like crazy to make plans and start purchasing parts.