I'm running a stock long block 2nd gen b16a, hondata s200, rc 440's, 255 hp fuel pump, aem fuel rail and reg, skunk2 IM, hondata IM gasket. The wastegate is a tial 35mm I think. I don't know really how big it is. The turbo is a turbonetics stage III, i'm not sure about all the specs on it. I...