Terry would you mind expanding on this a bit? If I understand correctly you're referring to the vertical "divider" which is cast internally in the upper IM to force airflow to the right and left plenums.

My solution would be 1 of or a combination of the following: add a spacer of XX thickness between the t-body and the upper IM entry; rotate the t-body 90 degrees; cut open the upper IM horizontally and port to smooth airflow. Did I miss any, and which is preferred?


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