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Fuel pressure gauges

This is a discussion on Fuel pressure gauges within the Tech Lounge forums, part of the W Body Tech category; Originally Posted by GR8racingfool Neither did I. Seal the threads, and screw everything together. Most the lines were AN fittings, ...


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Old 04-29-2008, 06:49 PM   #11
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Default Re: Fuel pressure gauges

Quote:
Originally Posted by GR8racingfool View Post
Neither did I.

Seal the threads, and screw everything together. Most the lines were AN fittings, so they go together tight and DRY meaning no need for thread sealant if you buy good quality fittings. If they are poor quality, they will seep, or leak.

Bought all my stuff from Summit Racing. Cheaper with their "box fee" than buying it local.

~F~


Yeah making those hoses and such is really a breeze. If you can screw a nut and bolt together you can do this.

GR8- how did you do that valve cover? or did you but it like that??

Its a nice neutral color that sets everything off real nice. What kind of nos are you running and how much of a shot? Tell me a little about it if you dont mind. I am considering it. Pm me if ya want...didnt mean to thread jack...continue
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Old 04-29-2008, 07:42 PM   #12
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Default Re: Fuel pressure gauges

Quote:
Originally Posted by GR8racingfool View Post
Neither did I.

Seal the threads, and screw everything together. Most the lines were AN fittings, so they go together tight and DRY meaning no need for thread sealant if you buy good quality fittings. If they are poor quality, they will seep, or leak.

Bought all my stuff from Summit Racing. Cheaper with their "box fee" than buying it local.

~F~
Thanks Farns. I'll look into it. Gotta figure out where I want to hide the sender then...

Oh, any special fitting I should look for to make sure the part I screw on the Schrader valve actually depresses the pin and opens the valve? I don't know much about different fittings, so if it's already part of the AN fitting then I guess it's taken care of.

And what type of fittings go onto the stainless hose, and what size hose? Barb, compression, etc? I was looking at Summit and I can find the parts easily if I know what I'm looking for.
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Last edited by Sabrewings; 04-29-2008 at 07:49 PM.
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Old 04-29-2008, 09:52 PM   #13
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Default Re: Fuel pressure gauges

Usually with those type of fittings, you'll have to remove the schrader valve all together.

Like Jason said, don't cheap out on the fittings, get the good ones and they won't leak.
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Old 04-29-2008, 09:54 PM   #14
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Default Re: Fuel pressure gauges

Thanks. At least now I know what I'm doing with it. Not sure if I should go ahead and do this to my L36 fuel rail, or what until I have the L67 rail on there...
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Old 04-30-2008, 11:14 AM   #15
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Default Re: Fuel pressure gauges

Quote:
Originally Posted by TDCRacing View Post

GR8- how did you do that valve cover? or did you but it like that??

Its a nice neutral color that sets everything off real nice. What kind of nos are you running and how much of a shot? Tell me a little about it if you dont mind. I am considering it. Pm me if ya want...didnt mean to thread jack...continue
The valve cover...I just did it. Nope, did not buy it, I made it myself. Thats a real piece of carbon fiber there too BTW.

Nice neutral color, yes in deed. Same color as the transmission and engine when those were assembled. Though the valve cover has clear coat on it only.

The NITROUS I am running is a NOS Nitrous kit from Holly. Usually between a 55-65 dry shot.

What is there to know...its a nitrous system with a purge added, and it makes you go faster when you use it. Need more info, ask some questions, and feel free to shoot a PM if ya want.

~F~
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Old 06-15-2008, 07:49 PM   #16
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Default Re: Fuel pressure gauges

Bringing this back up, the schrader valve just unscrews from the fuel rail?

And, a question for Farns. Why did you decide to relocate your fuel pressure sender instead of having sitting at the fuel rail? Seems like a lot of line to fill with fuel.
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Old 06-17-2008, 04:11 PM   #17
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Default Re: Fuel pressure gauges

Its a schrader valve, just like your car tire has. You can use and core remover tool to unscrew it from the base that holds it, in this case you can unscrew it right out of the fuel rail yes. lefty-loosie.

example:


Why did I decide to mount it where I did...couldn't tell you honestly. The sending unit now sits on the fire wall. I think I did it so I could unscrew the line from the fuel rail and service what I needed to and it wouldn't be in the way. But there is enough line that I can have it attached to the fuel rails, and just move the rails out of the way no problem. It just makes working on it easier.

You can mount it where ever you want, there is nothing to say "this" is the spot it must be in for everyone. Where I mounted mine, works for me and my set up more than fine. Only thing I am going to change is the fuel pressure safety switch for my nitrous, I am going to mount that as a inline installment instead of having it as its own line like it is now.

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Old 07-06-2008, 10:54 PM   #18
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Default Re: Fuel pressure gauges

To be sure, I need fitting with a -4 AN male thread that will screw INTO the fuel rail, right? Not a -4 AN female fitting? Then the other side of the fitting is 1/8 NPT female to accommodate the 1/8 NPT male from the pressure sender?
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Old 07-07-2008, 06:38 AM   #19
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Default Re: Fuel pressure gauges

The fuel rail is male fitting, so you will need a female to go onto the rail.
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Old 07-07-2008, 11:04 AM   #20
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Default Re: Fuel pressure gauges

So a female -4 AN to female 1/8 NPT. Thanks.
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