shrader valve fitting
shrader valve fitting anyone know where to get a shraeder valve fitting that goes into 1/8th npt? i dont want the t fitting that speed inc sells, and dont want an open 4an fitting with a cap, just a normal fitting so i have a test port.
Teching In
Joined: Jul 2005
Posts: 3
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here's what you want, excellent one piece adaptor.
http://www.metcomotorsports.com/prod...p?prod=MFF0001
http://www.metcomotorsports.com/prod...p?prod=MFF0001
Rick
this is not the fitting im asking for. i am looking for an actual shrader valve that will screw in so i have a test port. is that so hard to understand? i haave fast rails
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no, i want to have a shraeder test port on aftermarket rails just like the stock rail has. if i could get the valve and it screws into an 1/8npt port, that would be nice.
It might help if you also named the sex of each end, M or F.
It sounds to me like you want a Female 1/8 NPT to screw onto a fitting on your Fast rail, and a male 1/4 NPT (I think that is correct for the stock schrader valve fitting) with a Schrader valve installed, so that you can just screw on a hand-held fuel pressure gauge.
Would that be correct?
It sounds to me like you want a Female 1/8 NPT to screw onto a fitting on your Fast rail, and a male 1/4 NPT (I think that is correct for the stock schrader valve fitting) with a Schrader valve installed, so that you can just screw on a hand-held fuel pressure gauge.
Would that be correct?
found something tht fits your description:
I can set you up with something for that too.it is a -4 fitting with a cap not a shrader though. Just bleed pressure off uncap and hook up your gauge hose.
It might help if you also named the sex of each end, M or F.
It sounds to me like you want a Female 1/8 NPT to screw onto a fitting on your Fast rail, and a male 1/4 NPT (I think that is correct for the stock schrader valve fitting) with a Schrader valve installed, so that you can just screw on a hand-held fuel pressure gauge.
Would that be correct?
It sounds to me like you want a Female 1/8 NPT to screw onto a fitting on your Fast rail, and a male 1/4 NPT (I think that is correct for the stock schrader valve fitting) with a Schrader valve installed, so that you can just screw on a hand-held fuel pressure gauge.
Would that be correct?
I'm thinking of drilling and tapping the plug at the end of the fuel rail...
https://www.holley.com/products/plum...ts/AT581406ERL
and placing either this Schrader valve - Fuel Injection rated 1/8 MNPT...
http://www.dieselorings.com/1999-200...-1-8-mnpt.html
or this p/n 8025602293
https://www.schraderinternational.co..._05262015.ashx
The second one is listed as a diagnostic fitting assembly, fuel diagnostic fitting used on GM vehicles, Thread: 5/16-18 UNC-2A. My question is, what would do the sealing for the second type of fitting? Wouldn't you need an o-ring or something for the straight threads? What does GM use ?
