umm i know that the f22 are more boost friendly than the h22 unless u build the h22 right u can run between 10-15 boost, but i have a h22 swap accord 94 lx and its mighty fun, u get honda data some cam gears headers exhuast intake, and u will see a big difference, with the honda on my h22 my vtec gos from 4700 to 8000, so its nice