Very difficult to find but very useful to diagnose potential fuel delivery issues.
Stock fuel pressure gauges go up to 15psi but the Facet pump only delivers about 10% of that -- barely enough to move the needle.
I wouldn't put one on my instrument cluster but I would screw it directly onto the engine. If I suspect problems that this will troubleshoot I'm going to have to have my face jammed up against the carb in the cave anyway.
Stock fuel pressure gauges go up to 15psi but the Facet pump only delivers about 10% of that -- barely enough to move the needle.
I wouldn't put one on my instrument cluster but I would screw it directly onto the engine. If I suspect problems that this will troubleshoot I'm going to have to have my face jammed up against the carb in the cave anyway.
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