@forestg posted:Use John's diagram. The other shows the wrong bowl connections.
Not wrong for a Wilwood Tandem Master Cylinder as noted in my diagram.
"Connect one of the primary outlet ports (A) to the brakes at the end of the vehicle with the greatest total effective piston bore area. On most vehicles, this will be the front brake line. "
The Volume Output Ratio (A/B) is 2:1. The Primary Outlet "A" port is also associated with the larger of the two reservoirs.