Carter 4070 pump
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Postmaster
Joined: Dec 2005
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Carter 4070 pump
I want to buy the carter 4070 fuel pump but i have a few questions first. From what i think i understand, you run it before the stock pump, as close to the tank as you can put it and it then allows you to run higher fuel pressure correct? Also what diffrences did it make to your trucks? I did the hutch mod so i know i got the air outta the system, just lookin to be sure i should not be buyin something else first.
Post Fiend
Joined: Jul 2005
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From: 21791
i didnt notice anything when i did mine, however i know that the pump is not sucking any fuel, it is all at the inlet of the pump waiting to go in. I have a Dahl 150 after the lift pump, and it does a good job at filling the system up. I have it wired to run with the stock pump. Here is a pic of the pump how i mounted it as close as i could get. There was a 90* bend bracket that was included, i just pressed it flat, painted it, and mounted it to the rearmost cab member right in front of the tank. The pump is very noisy.
Laughing Gas
Joined: Feb 2006
Posts: 947
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Is the 4070 plenty for a lift pump or would the 4594, 4600hp, or 4601hp be better at all. I don't know much about lift pumps, just what i've read on here and what strokin-it recomended. These are all from jegs http://www.jegs.com/webapp/wcs/store...10002_17653_-1Any advice would be great. thanks
Laughing Gas
Joined: Feb 2006
Posts: 947
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Just got the dahl 150 filter and would like to order a lift pump. Not sure the difference in the four carters from the jegs site besides the one requires a regulator. Is the 4070 plenty or should i go with the 4600 with the 3/8 fittings and 100 gph instead of the 4070's 1/4 fittings and 72 gph ratings? For the extra 30 something dollars would it be smart to get the 4600 and have plenty of fuel for whatever mods may be coming? Any comments Kris? Also where is the best place to get the fittings for the pump and the dahl filter and the fuel hose, I know Kris said he used 3/8? Are these things to get locally or order from jegs? Thanks again for sharing all your knowledge with us trying to learn, especially Kris you have been a huge help.
Lead Driver
Joined: Jun 2003
Posts: 8,298
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From: Damon (South East Texas)
The Carter 4070 should be plenty. This pump supplies more than enough to the stock high pressure pump.
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The dahl filters are designed for the suction side of pumps. The pressure of the Carter 4070 is only 4-6 psi. but its still not suction. I couldn't find anything that says the dahl can't take pressure, but i'm still concerned I have a Dahl 100, and I would love to add a lift pump before that but have held off for that reason.
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From: Cabot, Arkansas
Originally Posted by bigcountry560
The dahl filters are designed for the suction side of pumps. The pressure of the Carter 4070 is only 4-6 psi. but its still not suction. I couldn't find anything that says the dahl can't take pressure, but i'm still concerned I have a Dahl 100, and I would love to add a lift pump before that but have held off for that reason.
The 150 has a 100 GPH max flow rate and is rated for medium duty diesel engines.
25 PSI maximum working pressure on both.
Last edited by cookie88; Nov 15, 2006 at 07:30 PM.
Post Fiend
Joined: Jul 2005
Posts: 14,582
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From: 21791
I dont have the right fitting going into the filter head, (they require a #10 o-ring boss), i have something close that is very close. There still is a small leak. I do have a haze of fuel on the bowl, because of the leak, and not because it can't withstand the 3-6psi. Once i get those correct fittings, i should be good to go. I did use 30R9 3/8" fuel injection hose, from the tank all the way to the Y-block. It's expensive stuff at $5.13 a foot, but i wanted the best. Double-opposed hose clamps on each pressure connection. Hose is holding up great. However my return line from the regulator on the engine is "sweating" due to the B100 i had two tanks ran through. (its the Parker DI stuff)
If you need anything else just LMK
If you need anything else just LMK
Post Fiend
Joined: Feb 2006
Posts: 11,892
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From: Middle Tennessee
You guys make me happy I sumped my tank. It is home made (less than $100) but for about $200 you can get a custom made unit and avoid any additional pump failure problems, wiring issues, electrical load issues, noise issues, plumbing issues... it goes on and on. Think it over. It also takes care of the Hutch mod at the same time. While there, just do the harpoon. No fuel supply issues since.
Senior User
Joined: Oct 2005
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pump
To many people overlook the simple air fuel seperator that mueckster and I have. The hutch make a difference, so does the full flow externally regulated system. AFS we have replaces all other fuel mods. The only reason they even have a return line is to hopefully remove air. With this AFS there is NO air in the system unless you have the lines off for some reason. These can be built for about $100.00. The best bucks you will ever spend.
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