I have a Pantera project that I received in February this year. It is a 1972 Pre L that is setup as a GTS and it came with a TWM 8 stack EFI that is driven by a Haltech ECU from the 1990's. The car also came with nitrous and you can see the hard lines for it above. I will be sidelining the nitrous and also want to replace the Haltech ECU with Holley Terminator X. The Holley ECU needs a MAP sensor and from what I can tell the Haltech did not use one. If this is correct then I need to create a small plenum for the MAP sensor that taps into each throttle body under the butterflies like the one below.
Since my nitrous hard lines are also below the butterflies, I am thinking of repurposing half of the lines (either the NO2 lines or the fuel lines, and then plug the lines I don't use) to create the MAP sensor plenum that I likely need. How does this sound to you?
Below is a photo of the bare throttle bodies sitting on the Hall manifold that was originally for Weber carbs.
