Greg,
That is a 1bar sensor.
If the engine in naturally aspirated the MAP sensor wiring we discussed will work fine.
If the engine is supercharged then using a manifold referenced fuel pressure will not work with the current arrangement. The 1bar sensor will stop/run out of range once the engine reaches 0psi ATM (14.7psi/1bar absolute.) Changing to an LSA 3bar sensor and re-tuning the ECM accordingly would be the best option.
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