yeah, the website does make a lot of sense and is a good reason why I will never build a lsvtec myself. I like to follow my rule that if honda didnt build it, there must be a good reason why. i would never do a lsvtec myself because I feel that the build lacks reliability and longevity when revved high, because of the high revs required to reach the peek power curve with pr3 vtec heads. but when you factor in 94+ gsr heads, I can see a more reliable motor with the stock manifold because of its lower end power potentials.