Terrible amount of shrouding, terrible.
Once they do flow...you realize you could have spent barely half that time on any of the open chamber versions and better numbers. The novelty is how terrible it is from the get go turning out any decent numbers at all. Theres no testing out there to determine if that chamber once massaged is more beneficial than the early closed version.
There are cult followings for everything..and they hate hearing that anyone reputable talking down on their iron idols