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12 Valve Fule Gauge ?

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12 Valve Fuel Pressure Gauge ?

I'm planning on installing a mechanical fuel pressure gauge, 0-60 psi, on a '98 12 valve.

The main purpose is to monitor the condition of the fuel filter - I'm going to up and running w/ my 'Appleseed' processor and homebrewing bio-diesel soon. The pressure gauge would be beneficial in monitoring fuel issues.



One consideration is to install a direct mount 1. 5" gauge in the engine compartment as opposed to inside the cab.

My question:

Is checking the gauge at idle enough to keep an eye on the fuel pressure, or is it beneficial to be able to monitor pressure while cruising in the cab?



Remember this is for a 12 valve application.



I still need to add gauges and I'm planning on putting Hewitt gauges in a 2 gauge pillar mount - pyro and boost.

I'm trying to decide if I want to use the Hewitt fuel pressure mounted under the dash or put a small industrial gauge in the engine compartment.
 
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I drilled and tapped 1/8 pipe on the fuel filter bracket. You can see there are 2 places on it one is pre filter and the other is after filter, than i put quick release fittings on it and i can check the pressure on either side of the filter. the rest of the time the gauge is in the toolbox... .
 
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