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Install Fuel Pressure Gauge Questions?

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Old 01-25-2010 | 01:28 PM
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From: Kuna, Idaho
Originally Posted by kkime
Well I havnt got my gauge in the mail yet prob tomorrow and not sure what all comes with it, I know for sure a sender unit and wiring harness, they told me the part number I had to have which was the snubber and I got that already and It's looks like a threaded elbow valve to me nothing else, I dont think mine comes with an isolator do I need one?
You need an isolator, not a snubber. The snubber won't hurt, but is not necessary on these style LP's.
Old 01-25-2010 | 03:21 PM
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where do I get the isolator and what kind do I need and why?
Old 01-25-2010 | 04:46 PM
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Originally Posted by kkime
where do I get the isolator and what kind do I need and why?
An isolator is nothing more than a hose, (grease gun hose is common, I use 1/2" pushlok) that keeps the sender from receiving engine vibrations.
Old 01-25-2010 | 06:58 PM
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Anybody got any pics of installs?
Old 01-25-2010 | 07:48 PM
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Originally Posted by kkime
Anybody got any pics of installs?
Take a look at the link in my sig about filters.
Old 01-25-2010 | 08:10 PM
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where is that link i dont know where to find it?
Old 01-25-2010 | 08:18 PM
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Originally Posted by kkime
where is that link i dont know where to find it?
Scroll to the top of the page where my first post on the page is. The click the link in my sig that says GDP.
Old 01-26-2010 | 10:13 AM
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This is what "most" ppl call an isolator. If your gauge is electronic, no, you don`t need one of these. I don`t think you`ll need a hose either since you already have a snubber.

Here`s a good link to a 3 gauge install with plenty of pics

http://www.dieselmanor.com/diy/CMS3-...ugeinstall.htm
Old 01-26-2010 | 11:41 PM
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Well I got my gauge in the mail but it has no hose in the box and I also have the snubberthat should screw into by fuel line at the Injector pump I think? And should I place the sender unit right to the snubber or order a hose and attache it along the firewall? If so where is a good place to order the hose I am having trouble finding it. I found one kit on jegs it was 41057 Braided stainless steel machaincal gauge hose kit for 24.99 3ft long with adapters and one of them look like my snubber sort of, so another question is if I by this kit do I use my snubber and the adapeter in the kit becuase the hose is female ends on both ends so the snubber is male/female?
Old 01-27-2010 | 07:23 AM
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From: Kuna, Idaho
Originally Posted by 043500QC
This is what "most" ppl call an isolator. If your gauge is electronic, no, you don`t need one of these. I don`t think you`ll need a hose either since you already have a snubber.

Here`s a good link to a 3 gauge install with plenty of pics

http://www.dieselmanor.com/diy/CMS3-...ugeinstall.htm
That is an isolator for a mechanical gauge. An isolator for a electrical gauge is just a piece of hose. The snubber doesn't do the same thing. A snubber dampens fuel psi fluctuations. An Isolator isolates the sender from the motor vibrations.
Old 01-27-2010 | 07:50 AM
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Originally Posted by kkime
If so where is a good place to order the hose I am having trouble finding it.
Go to your local parts store and get a grease gun hose. Cheap, easy, effective.
Old 01-27-2010 | 02:55 PM
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What do I do with the grease gun hose not sure what you mean?
Old 01-27-2010 | 02:57 PM
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Originally Posted by kkime
What do I do with the grease gun hose not sure what you mean?
Use it as an isolator hose.
Old 01-27-2010 | 03:57 PM
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Ok call me silly but that didnt answer my question, any more details, will the hose be used between the sender unit and inj pump with the fuel running thru it or as a mount assist and how, sorry for so many questions first time for everything....
Old 01-27-2010 | 05:17 PM
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Connect one end of the hose to the tapped banjo bolt on the CP-3, connect the sending unit to the other end of the hose to use as an isolator.

Look at where you want the sender to be and where you can zip tie the hose to a harness or something else. That will tell you how long the hose needs to be. Usually the 18" will suffice to get the sender out of the way.


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