Fuel Press guage
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Freshman User
Joined: May 2003
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Fuel Press guage
In the short time I have been on this site I have heard alot about gauges(tran temp, egt and boost), and I have heard alot about fuel pressure that could cause problems with power etc. Is worth it or even practical to put in a fuel pressure gauge along with egt, boost and trans temp? 
More Turbo
Joined: Oct 2003
Posts: 632
Likes: 16
From: Fairbanks, Alaska
It is worth while to check the fuel pressure but not practical to have a permanently installed gauge. The fuel pressure is checked at idle. When you rev up the engine the fuel pressure fluctuates and surges which in turn will destroy even the best gauge in a short period of time. It is best to use a liquid filled gauge when checking the pressure because of the fluctuation.
Fleet Mechanic
Joined: Aug 2003
Posts: 1,782
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From: Phoenix, AZ
There is an on line vendor that makes a permanent, liquid filled gauge that is designed for under hood. Threads right into your regulator with a bracket. Does come in handy when troubleshooting.
http://www.dieselinnovations.com/
Go to Ford - 7.3 - Fuel - Scroll Down
http://www.dieselinnovations.com/
Go to Ford - 7.3 - Fuel - Scroll Down
Last edited by HeatStroked; Feb 6, 2005 at 07:06 AM.
Senior User
Joined: Jul 2004
Posts: 266
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From: Reading,PA
I installed a permanent fuel gauge under the hood. Got some 1/8" npt fitting at lowes and a 0-200 psi liquid filled gauge at Tractor supply. Not very practical but I thought the 10 bucks was worth it just to see whats goin on,and it gave me some cool points with the friends!
Fleet Mechanic
Joined: Aug 2003
Posts: 1,782
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From: Phoenix, AZ
I had one installed on my PSD from Diesel Innovations under the hood for 2 years without a burp.
Worked perfectly.
Worked perfectly.
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Freshman User
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Originally Posted by HeatStroked
I had one installed on my PSD from Diesel Innovations under the hood for 2 years without a burp.
Worked perfectly.
Worked perfectly.
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Originally Posted by Crumm
The one Diesel innovations sells mounts to the alternator bracket I think. You can mount it anywhere you want though.
Mike
FTE Leadership Emeritus
Joined: May 2001
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From: Cabot, Arkansas
Originally Posted by Crumm
If you mount one permanently under the hood it is a good idea to put a shut-off valve on it. The pressure surges will ruin the gauge.
Autometer makes a nice electric fuel pressure gauge for in the cab, but it's kinda pricey for a "gee whiz" gauge.
Senior User
Joined: May 2002
Posts: 290
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From: Birmingham, Al U.S.A.
Originally Posted by Crumm
If you mount one permanently under the hood it is a good idea to put a shut-off valve on it. The pressure surges will ruin the gauge.
Last edited by Oneof6; Feb 6, 2005 at 03:45 PM.
Fleet Mechanic
Joined: Feb 2004
Posts: 1,816
Likes: 3
From: River Valley AR
What range would you need on a gauge to monitor the fuel pressure? 0-200?
Also the good gauges have pressure snubbers built in to reduce the effects of fluctuation. Snubbers are also available separately through industrial suppliers.
Also the good gauges have pressure snubbers built in to reduce the effects of fluctuation. Snubbers are also available separately through industrial suppliers.
Posting Guru
Joined: Aug 2004
Posts: 2,417
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From: Braham MN
200 PSI might be excesive, Cookie has a 150 and I think that might evenbe over doing it. When I get mine it will be a 100 PSI liquid filled, stock is 53, most shimmed regulator will run 65-80, anything above 75 will start to fry a lift pump. I dont know what you wanna run the electrics at I would guess you could go higher on those. But to make this any longer 100 PSI wil be fine, will give a nice, full sweep to the gauge. goes back to my obsession of trying to "peg" all my gauges.
Diesel Rod
Diesel Rod
Fleet Mechanic
Joined: Feb 2004
Posts: 1,816
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From: River Valley AR
It just so happens that I have a brand new Autometer Phantom fuel pressure gauge with the remote isolator sitting in my pile of good stuff. Like everything else it won't work for my truck because it's 0-15 psi for a carbureted (sp?) gasser. Anyone want to trade for a pyro gauge?