5.9L 24V Performance Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps Related To Performance And Longevity

Taping into fuel?

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Old 06-15-2014 | 08:55 PM
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Question Taping into fuel?

Ok, so i found a mechanical gauge on Geno's that comes with an isolator (SSPRO R5607R Fuel Pressure Gauge (0-60 PSI)-Geno's Garage)

Question, should I run a T fitting on the supply line (between the lift pump and vp44) or run a banjo bolt on the test port (return line?) with a snubber? Im assuming the isolator with help with pulses regardless of where i'm taping the fuel from?
 
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Old 06-18-2014 | 12:36 PM
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no the isolator will NOT help with pulses. you need a needle valve or snubber regardless.

the isolator is just an overpriced piece of garbage that will go bad in a few years and make you freak out thinking your lift pump is going out because the isolator will start to leak on the anti-freeze side.

run a tapped banjo bolt to the output side of the fuel filter. That's where I ran mine until I got a 150GPH fuel system that completely bypasses the stock fuel filter. now I run it straight to the fuel systems gauge port on the output side of the filter base.
 
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Old 06-18-2014 | 04:20 PM
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I guess I forgot to mention I have a FASS 150 HD lift pump. Its pushing out too much psi and thats why im getting a mechanical fuel gauge to figure out where im at
 
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Old 06-24-2014 | 01:34 PM
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in that case run a t inline or run from the test port. make sure you use a needle valve or snubber though.

if using a needle valve just barely open it a crack... that will stop the pulses.
 
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Old 06-24-2014 | 07:04 PM
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Awesome. Thats exactly what I bought from Vulcan Performance. Any tips or write ups for hooking up a pressure gauge? Running SS line into the cab and not using an isolator.
 
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Old 06-25-2014 | 01:10 PM
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SS line?

I would just use napa airbrake line...
 
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Old 06-25-2014 | 05:09 PM
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Its a stainless steel braided line kit from Vulcan Performance. Same as a grease gun line but comes with npt adapters
 
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Old 06-25-2014 | 05:52 PM
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you don't need all of that... save your money and keep it simple



literally all you need shown there...

but you would use the T fitting instead of the tapped banjo bolt..
 
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Old 06-25-2014 | 07:04 PM
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Already bought it all... is that the air brake line? Where else can I find that, I dont have a Napa. Does advance auto carry it?
 
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Old 06-26-2014 | 06:37 PM
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yes, that is the airbrake line.. rated forover 150psi so the sub 30 psi we run is never getting though that line

Nylon air brake tubing 1/8 x100ft, 1922-01-1, Tectran - Ryder Fleet Products

$16 for 100ft of it there :doh:

little excess when you only need 6' of it..

might check local auto parts stores around you. usually something they have behind the counter...

1/8" air brake line.
 
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