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Racor fuel filter filter guage
I was wondering if anyone has any experience using a pressure gauge to monitor their Racor fuel filter and could save me some trial and error.
I currently have a vacuum gauge mounted on the top of my Racor 500 to monitor the filter but wish to pressurize the system by moving the Steward Warner electric pump from between the Racor and the engine filter to back by the tank to make bleeding easier and to ID leaks .
Does anyone know
If I put a 1-10 PSI fuel pressure gauge after the Racor will the pressure drop a little bit when the filter needs changing?
Or should I put the pressure gauge before the Racor and look for a increase in pressure as the filter clogs?
The pump produces 6-7 psi, but due to a pressure release bypass to the return line the system runs at about 3 psi.
Engine is a Perkins 4108 Diesel
Thank you in advance for any assistance you may be able to offer
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