Aeroforce Fuel Pressure Sensor Kit - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-27-2007, 01:00 AM   #21
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Yes, and on the website for the sensor, if you scroll a little further down, they sell the adapter also
Yes but when you contact the vendor and he tells you the adapter is female 3/8" to male 1/8" npt, you know that it will not adapt to the fuel rail valve connection.
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Old 03-27-2007, 09:12 AM   #22
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I've been looking at Jeg'* etc and haven't found the fitting we need yet.
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Old 03-28-2007, 12:38 AM   #23
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Ya, the fitting on the fuel rail is not NPT, it'* a straight thread.

I know what I am going to do.

I will simply unscrew my existing underhood pressure gauge which has a 1/4" npt connection at the end of its 3 foot long braided hose and thread a 1/4" nipple in combination with a 3/8" x 1/4" bushing. The sensor will thread right into it.
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Old 03-30-2007, 12:47 AM   #24
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Here it is..................the adapter that is.


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Old 03-30-2007, 01:12 AM   #25
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Nice! But, where can the rest of us get the right adapter without having to get another gauge?
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Old 03-30-2007, 01:21 AM   #26
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Ya good point.
Just be innovative and find the right adapter to connect to the straight thread fitting of the schraeder valve and use bushings, couplings and nipples to make up the rest.

If this fuel pressure sender works out, I'm going to buy another one and use it to monitor my water injection pressure.
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Old 03-30-2007, 08:05 AM   #27
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Bob..email Aeroforce. Being a standard fitting on the rail, it seems silly that they wouldn't have the correct adapter in stock.
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Old 03-30-2007, 08:27 PM   #28
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I contacted the vendor and he stated that his adapter is one that is usually mated to an aftermarket fuel rail that already has a 3/8" npt threaded hole.
He drives a Mustang Cobra.
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Old 04-19-2007, 11:19 PM   #29
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I installed it last week.
Could not get it to seal inside the 3/8" coupling.

Leaked.

I took it apart several times and tried various sealing compounds. None of which worked. There would always be slight weepage and fuel smell.

When it was working, the gauge reading was all over the place.....52...56...61...54...changing every fraction of a second and very hard to read.
I was amazed at how high the pressure rose above 60 psi under boost. I even saw 75 psi once.
At least I now know that the pressure does not drop under full throttle upshifts.

I removed it and re-installed the underhood gauge.
At least it reads steady and can be used to adjust the regulator.
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Old 04-20-2007, 01:54 AM   #30
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Maybe if it wasn't leaking it would read a more constant value instead of being all over the place. Just a thought I'll throw out there...
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