Originally Posted by Toobuilder View Post
The TB adapter has a MP port incorporated, so I am indeed reading as close to "airbox pressure" as possible without being on the airbox side of the butterfly.
Ahhhhhh! You tricky devil
I have a full-up Red Bull motor with cold-air induction. In working out what went where Don @ Airflow Performance suggested I pull MP off the cold-air plenum ...... same as you have done and plan to do when going to the cold-air system.
Larry E. James
Rocket (under construction)