Yes, airflow quality more inportant as airflow quantity. That should be the discussion in this thread not a pissing contest. Everyone is in the persuit of better times. What we can do is evaluate our own work and try new things to better ourselves in that persuit. Its funny cause the customers only want to know those two things about their heads, Steve, cause I feel we can be more than that. Educated customers. I hate seeing people get taken for a ride cause their machineist and magazine articles. Here we can discuss the facts and ideas to make good decisions and progress for ourselves. Maybe Larry is also trying to say through example is that for strong street motors, any cast iron head can me made to perform very well for the intended et that one is trying to persue, even some strip terrors too. That we dont need to go to the aluminum head yet if 10's, 11's, or 12's is your goal. Maybe im wrong, Larry. But, on the other hand, and with respect to the "example man" who is to say that his head is totally correct in respect to flow quality and quantity. How many items were changed in the past for the persuit of better times. Maybe he has been chasing the perfect setup to complement the cylinder head profile that he has. Maybe that is why not everyone can copy the same combo and get the same results? Depends on who ports the heads. Same cc's same flow but different?? Maybe thats why lots of people change so much. If you know what you are working with inside your head, a better idea of direction to take with selection of other parts. This even goes for the aluminum heads too. Any combo can work or appear to work for low rpm and high. Just cause a motor makes really good power under 6000 doesnt mean it works well. Proper port work may get even better results. We dont know cause not enough testing. We can only discuss our findings. I ramble, sorry. But seriously.......................I would beat all of u in a race....with a d-port 400. Just playing!!! lets get technical.............also without using magazine articles as the arguing points.
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