Fuel Pressure Gauge
Hopefully it will show me some good numbers.
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Joined: Nov 2004
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From: 13 miles N.W. of Cleveland, TEXAS in the National Forest
If you are going with a mechanical gauge put in a fuel gauge isolator at the firewall to prevent a cab full of diesel fuel. I had a line blow off my gauge and shot about six ounces of diesel all over my cab before I got it stopped. Isspro makes one expressly for fuel gauges, # R7797.... 
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From: Central VA
....OR.......
Use the proper line, connectors, and techniques for the installation and forget the isolator that usually goes bad anyway.
80,000 plus miles with a mechanical gauge mounted in the middle of the dash plumbed with needle valve, a stainless braided line and -AN connectors.....and NO isolator.
Use the proper line, connectors, and techniques for the installation and forget the isolator that usually goes bad anyway.
80,000 plus miles with a mechanical gauge mounted in the middle of the dash plumbed with needle valve, a stainless braided line and -AN connectors.....and NO isolator.
Thread Starter
Just a plain ole guy
Joined: Jun 2006
Posts: 2,537
Likes: 11
From: Carlos, Texas
I'm going electric. I don't want to deal with a split line in the cab. I had an oil pressure gauge in an old 72 GMC I had along time ago let go and painted everything with hot oil. Wasn't fun.
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From: Central VA
Originally Posted by MichaelP
Many of the gauge manufacturers are having issues with electric fuel pressure gauges, as the fuel pulsations end up causing leaks or other failures in the sending units. We have temporarily quit selling our sending units for electric fuel pressure gauges until we redesign them to survive the pulsations. Some customers are using a snubber (R7798) to protect the sending unit. I am not sure if the Cummins puts the same kind of pulses on the fuel system as the Ford/PSD, but I know of many sending unit failures on Ford/PSDs (ISSPRO as well as other brands). I guess I'll get to test out the theory when I start my 12-valve project!
Thanks and regards,
Michael Pliska
Thanks and regards,
Michael Pliska
Thanks for building a great series of gauges.
I've been running my Isspro EVs for ~80,000 miles, and with the exception of a failed Trans guage "Amplifier Box"
(which was promptly replaced under warranty) they have been rock-solid.
Registered User
Joined: Jul 2005
Posts: 12
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From: Tacoma WA
Does anyone have a picture on how to mount one on 01? I just got my Isspro and just came with two small fittings and 1/8 tube along with a isolater. What other stuff will I need fittings and tubing? Side question I also got the boost. What fittings and tubing do I need. Sorry but Isspro instructions are not the best for this newbie!
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From: Central VA
I pulled the Air Intake and drilled and tapped for tthe boost on my truck.
A couple on folks are selling a bolt that replaces one of the bolts for the valve cover (I think) that taps into a boost passage that makes it real easy to hook up.
A couple on folks are selling a bolt that replaces one of the bolts for the valve cover (I think) that taps into a boost passage that makes it real easy to hook up.
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Joined: Aug 2005
Posts: 3,465
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From: fredericksburg, virginia
Here's a how to for the boost guage
http://www.tstproducts.com/pdffiles/instboo24.pdf
Instead of tapping I used the boost port on the side of the block instead. You'll just need two bushings to go from 3/4 to 1/8.
http://www.tstproducts.com/pdffiles/instboo24.pdf
Instead of tapping I used the boost port on the side of the block instead. You'll just need two bushings to go from 3/4 to 1/8.
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Joined: Jul 2005
Posts: 12
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From: Tacoma WA
Awesome! Now you can drive with peace of mind, and not worry about whats going on under the hood!
Here are some pics of my setup.
Did you remove the first bolt or do I just screw my banjo bolt onto the existing one? Then what kind of hose do I put on the end of the banjo or is it another fitting to compress the stem?
Thanks again
Here are some pics of my setup.
Did you remove the first bolt or do I just screw my banjo bolt onto the existing one? Then what kind of hose do I put on the end of the banjo or is it another fitting to compress the stem?
Thanks again
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