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HYDYST?
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113 Posts
Discussion Starter · #1 ·
I'm looking for some feedback on in bay fuel pressure gauges.
I've seen tiny dial ones mounted straight out of the t fitting, larger ones with hose lengths anywhere from 6 to 24 inches. From Summit specials, to a $400 scientific precision gauge with a name I can't pronounce.

What level of precision and quality is really needed?
 

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3 bar MAP
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1,381 Posts
if you mount a mechanical fpr & gauge on the firewall, basically off the motor....then they tend to last longer. if mounted on the fuel rail/motor, they are subjected to a lot more vibration. even the liquid filled (vibration dampener) gauges can fail when on the motor. i just run a simple auto meter gauge mechanical fpr off my aeromotive regulator. its just used to make sure the base pressure is good....works fine :D .
 

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HYDYST?
Joined
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113 Posts
Discussion Starter · #5 ·
So
reliability is more a factor of the installation than the initial quality of the gauge.
Precision isn't really a factor, and quality is subjective.

IOW, I can just get any gauge that I like, just mount it away from vibration.

Thanx
 
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