Vortec Fuel Pressure Gauge Question

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Gearheadmike

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Has anyone installed a fuel pressure gauge on the vortec engine's under the hood using the test port?
If so what fittings are needed?
 

big_mike

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Here is a pic of mine. You need a single coupling fitting and I used another fitting for the gauge cause the threads were different sizes to connect a gauge or sensor for electric gauge. You can see the 2 pieces in the pic.
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