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About three weeks ago I installed the Engine Damage Avoidance System on my 04 F350 crew 6.0. For those who do not know it is a very sensitive pressure switch that ties into the return line to the coolant tank. It triggers an audio alarm when the pressure in the system reaches 16 psi (which is the first indication of a problem). I drove around for a week pulling a 10k trailer until the alarm started to go off. I hooked a 0-15 psi fuel pressur gauge into the return line and routed it to the cab. Sure enough when the alarm went off the pressure was at 16 psi. My question is this. Can anyone recommend a good 0-15 or 0-20 psi pressure gauge that I can mount permanent that will hold up to the coolant? What I have set up now is a cheap gauge for diagnostic purposes only. I want to be able to monitor the coolant system pressure at all times. The EDAS performed perfectly, but my coolant system is airtight. If I had sprung a leak, it might not have gone off alerting me to a problem. By the way, it turned out to be head gaskets. The truck is currently in the shop for apr studs and gaskets.
Thanks in advance.
 

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I hope you are going back with the Ford HG's the Black ones are not holding up.
2 stroker
 
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