1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

fuel lines

Old Jan 8, 2010 | 08:46 AM
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From: howell MI
Default fuel lines

my fuel lines are rotted out should i replace them with the same size lines or should i go thicker? i do plan to replace my pump to eventually too but my lines are leaking pretty bad now so I'm just doing the lines for now.
 
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Old Jan 8, 2010 | 08:48 AM
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go half inch fuel rated hose
 
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Old Jan 8, 2010 | 08:59 AM
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whit thats pretty big for stock the fittings are only 3/8 if you are planning on bombing the truck then i would get a fass or airdog they come with the 1/2 fuel line from tank to pump
right now with the stock line everywhere else its not going to help you by putting that size line on
 
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Old Jan 8, 2010 | 09:05 AM
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yes .....it would require new fittings too....I would look at the fittings and line then yer upgraded there for future
 
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Old Jan 8, 2010 | 09:11 AM
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yeah thats true to if you wanted to do that it would be good so that way if you only wanted to put a pump on it then you would already have the fittings there
 
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Old Jan 8, 2010 | 09:53 AM
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Stock is 5/16". 3/8" is plenty for any HP you will ever get out of a 1st Gen. Stainless seamless 3/8" tubing is not that expensive, couple bucks a foot, maybe.
 
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Old Jan 8, 2010 | 11:07 AM
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so an air dog pump comes with the lines too?
what am i looking to spend on the pump and lines set? and where should i get it?
 

Last edited by jshafley; Jan 8, 2010 at 11:12 AM.
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Old Jan 8, 2010 | 12:32 PM
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yes the air dog pumps come with everything including fitting and gas line.

as for where to get it at, post under the request a price quote area on here. sponsors can take care of you.

ardig 100 or 150's normally go right around 500-520, and the airdog II goes for right around 600
 
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Old Jan 8, 2010 | 05:19 PM
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Are you talking about the metal lines from the tank to the front? mine are rusted and leaky aswell. do you just buy the metal line and bend it yourself? if so were do you get it?
 
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Old Jan 8, 2010 | 07:14 PM
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just ordered my air dog II 165 from diesel auto power..... $599 shiped as far as i'v been told it comesw with everything you need.... 1/2" fuel line in take moduel, everything..... it's worth the $599.....
oh an to the guy that doesn't thing first gens benifit from 1/2, what makes you say that, 1/2" is a standard upgrade... flows way more fuel....aome of us ARE pushing a lot of fuel to our trucks means we need more flow 1/2" means more flow... i loose fuel press at half throttle with my 95gph fass..... so 1/2" isn't a waste
 
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