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Old 04-16-2019, 03:50 AM   #1 (permalink)
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fuel pressure sender

Any fuel pressure sender that will directly connect to ls3 fuel rail port?

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Old 04-16-2019, 11:26 AM   #2 (permalink)
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Do you maybe mean fuel pressure regulator? If so, then there is a regulator/ filter combo that the C5's use that have the fuel return built in as well. Lots of people use that since it has so many features packed into just a single device.
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Old 04-16-2019, 04:25 PM   #3 (permalink)
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no, want a fuel pressure sender so I can see what the fuel pressure is, I have in tank fuel pump, one each side, have some issues with one on the driver side, so decided to just add fuel pressure reader to my system and display it on my dash.

LS3 has a port at the end of the fuel rails, there are some with 1/8 NTP male and one will need adopters just wanted to see if any one has found direct fit.

Thanks for help,
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Old 04-16-2019, 04:58 PM   #4 (permalink)
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I'd say first you'll have to figure out what you want to use for a fuel pressure gauge and then see if the gauge comes with a sender or what sender is recommended to work with the gauge you want to use.
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Old 04-16-2019, 06:15 PM   #5 (permalink)
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Thanks Shane,

All I am looking for is send that will send .5 to 4.5 01 to 100 PSI, a lot like the oil pressure gauge already on the car, I may just do 4AN to 1/8 NTP and there ear lots of those.

My hardware will take of the translation for gauges.

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Old 04-16-2019, 06:21 PM   #6 (permalink)
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I've used an oringed GM pressure sensor for this. It has straight threads. I will see if I can find a picture of the specific one I used...

All I can find is the oil pressure sensor I used, but they may be one in the same. In other words, you could use the same sensor for fuel that is used for oil pressure. Here are the pics of the sensor and the plug...
Attached Images
File Type: jpg Oil Press Sender LS3.jpg (243.1 KB, 9 views)
File Type: jpg Oil Press Plug LS3.jpg (243.5 KB, 9 views)

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Last edited by crash; 04-16-2019 at 06:28 PM..
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Old 04-16-2019, 09:30 PM   #7 (permalink)
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Thanks Crash,

I have to see the thread size and find adopter from 4AN to this or similar.

looks like no luck for direct connections.

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