Dave has been open about his dislike of the 1JZ head. But, he has realized that he is only judging the head by it's looks and needs to know why people want to stick a 1JZ head on top of a 2JZ short block. So, he scoured the internet researching the why, he stuck it on the flow bench and watched YouTube video's and listened to the different combinations. He pits it against his pick of what could be better. Does the 1JZ seduce him? Watch and find out!