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Throttle Bodies 

Throttle bodies can either be drilled for injectors or not, depending on which intake manifold you are using.

Intake Manifolds

These are the intake manifolds. If your throttle bodies are not drilled for injectors then your intake manifolds must be. The ones pictured are drilled. 


Vacuum Lines

Vacuum lines must be run from a throttle body or other vacuum reference location the MAP sensor either in the MegaSquirt unit (2/3) or to the separate MAP sensor (Micro/Pro). If you are looking for a typical vacuum routing diagram, you can find that HERE.