TSIO 360 fuel meetering

[Cap.jensen]

Hi Herb
I do have parts catalog but not very clear re which pipe goes to before and after throttle body

[Kim Geyer]

If I'm understanding you correctly, the line before the throttle body is to the fuel flow gage vent. The line after the throttle body is to manifold pressure gage.
Kim

[Cap.jensen]

Here’s the manual schematic