This may be a stupid question, but its worth it becaue i been thinking about it for a while now, see what the OP wants to do? make 4 elongated wholes on the spacer and plunem to give the TB a longer air way, plus smoother flow.......
WHAT IF
you opened the plunem up completely i mean ONE giant hole all the way down to where the runner seperate and go in to the head and make sort of a carb space. MEANING taking out the 3 center walls vertically and horizontally making one giant open plunem down to the runners? with a bigger TB INTAKE CAMS and EXHAUSE HEADERS im sure this added flow would show big increases if a simple port and polish shows better numbers. please let me know what yall think.
WHAT IF
you opened the plunem up completely i mean ONE giant hole all the way down to where the runner seperate and go in to the head and make sort of a carb space. MEANING taking out the 3 center walls vertically and horizontally making one giant open plunem down to the runners? with a bigger TB INTAKE CAMS and EXHAUSE HEADERS im sure this added flow would show big increases if a simple port and polish shows better numbers. please let me know what yall think.

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