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If you are woried about the life of the sensors like I was after hearing a few have failed, there is a GM fuel pressure sensor.

Sensor: ACDelco #13500745, 0-100psi, Linear 0-5V output
Connector: Delphi #13511131 qty. 1
Terminal: Delphi #12191818 qty. 3
Secondary Lock: Delphi #15418545 qty. 1
Wire Seal: Delphi #15366060 qty. 3

Pin 1: Vout
Pin 2: Ground
Pin 3: +5vdc

The thread in the sensor is a metric parallel, so as pictured o-ring sealed. The TPI is very close to 1/8 NPT, so I just ran a NPT bottoming tap and used Speedflow 911-02 as an adapter to the fuel rail.

whats the thread inside it something metric ? only thing above missing is the speedflow part number

Fixed that for you

also just to add info, i found this one is the correct one for the above mentioned connector part #

https://www.eficonnection.com/home/prod ... or-pigtail

What was used to power the 5V transducer? The 5V wire at the MAP/IAC ?

yeah anything like that should work, when I did mine it was an input into the data logger, and I just used the loggers 5v's