Fuel Pressure Gauge - Performance Forum

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Fuel Pressure Gauge
Tuesday, March 27, 2007 3:10 PM
Ok I have a gauge I was planning on installing in my rail. I have a 90 degree fitting to bolt the gauge to my question is what size are the damn threads? All I know is that the gauge will thread into "Any 1/8" NPT fitting". What is NPT? I am totally lost here any help would be greatly appreciated.


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Re: Fuel Pressure Gauge
Tuesday, March 27, 2007 3:12 PM
its a typr of thread.
Re: Fuel Pressure Gauge
Tuesday, March 27, 2007 3:16 PM
NPT = National Pipe Thread.






Re: Fuel Pressure Gauge
Tuesday, March 27, 2007 5:01 PM
ok so how can i figure out what type of thread it is 1/8" by what?


We Ride Together, We Die Together...... J-Bodies For Life!
SPONSORED BY: Showstopper Tuning, JM Graphics
2003 Cavalier LS Sport "SHOCKWAVE"
Re: Fuel Pressure Gauge
Tuesday, March 27, 2007 5:09 PM
Not 1/8" by anything... a 1/8" NPT is its own size.











Re: Fuel Pressure Gauge
Tuesday, March 27, 2007 5:31 PM
oh ok then so where can i find a tap to thread my fuel rail? i tried home depot and 2 local hardware stores all had nothing


We Ride Together, We Die Together...... J-Bodies For Life!
SPONSORED BY: Showstopper Tuning, JM Graphics
2003 Cavalier LS Sport "SHOCKWAVE"
Re: Fuel Pressure Gauge
Tuesday, March 27, 2007 5:40 PM
You can get a brass adapter to go from your fuel rail size to 1/8"NPT female. Its far cheaper and less hassle than a tap.

I don't know the thread size, so can't help there.









Re: Fuel Pressure Gauge
Wednesday, March 28, 2007 9:44 AM
i found a tap at the local fastener place problem solved


We Ride Together, We Die Together...... J-Bodies For Life!
SPONSORED BY: Showstopper Tuning, JM Graphics
2003 Cavalier LS Sport "SHOCKWAVE"
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