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| 12v aux. lift pump http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=85394 |
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| Author: | phum [ Fri Oct 07, 2016 6:48 pm ] |
| Post subject: | 12v aux. lift pump |
Hello all, I am looking at installing an electric lift pump. Is the Airtex E8251 suitable for this application? |
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| Author: | mass-hole [ Fri Oct 07, 2016 8:13 pm ] |
| Post subject: | Re: 12v aux. lift pump |
phum wrote: Hello all, I am looking at installing an electric lift pump. Is the Airtex E8251 suitable for this application? I dont have it memorized but the sticker on my box says E7181M Sorry, I thought you were refering to an intank lift pump. Ignore what I said. |
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| Author: | flash7210 [ Fri Oct 07, 2016 8:57 pm ] |
| Post subject: | Re: 12v aux. lift pump |
I would go with e8090. It has 3/8 fittings. Better for factory fuel line. |
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| Author: | jws84_02 [ Fri Oct 07, 2016 8:58 pm ] |
| Post subject: | Re: 12v aux. lift pump |
I went with a facet pump. Can't think of the model number but it had 3/8" fittings and only rated 3-5psi |
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| Author: | phum [ Sat Oct 08, 2016 3:56 am ] |
| Post subject: | Re: 12v aux. lift pump |
flash7210 wrote: I would go with e8090. It has 3/8 fittings. Better for factory fuel line. The spec. I see on this has 9psi pressure. Is this not too high for this motor? |
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| Author: | flash7210 [ Sat Oct 08, 2016 9:34 am ] |
| Post subject: | Re: 12v aux. lift pump |
phum wrote: flash7210 wrote: I would go with e8090. It has 3/8 fittings. Better for factory fuel line. The spec. I see on this has 9psi pressure. Is this not too high for this motor? Nope. Not too high. Its just right. |
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| Author: | WWDiesel [ Sat Oct 08, 2016 1:45 pm ] |
| Post subject: | Re: 12v aux. lift pump |
phum wrote: flash7210 wrote: I would go with e8090. It has 3/8 fittings. Better for factory fuel line. The spec. I see on this has 9psi pressure. Is this not too high for this motor? The in-tank installed lift pumps supplies ~12-14 psig to the CP3, so 9 psig is just fine and within the limits of the recommended low side pressure! Any excess pressure/flow that the CP3 does not use is returned to the fuel tank via the fuel return system. The CP3 has an internal pressure regulator (FCA = Fuel Control Actuator) on the low pressure side that regulates return pressure. On the Dodge Cummins that uses the same CP3 fuel injection pump and a 'from the factory' installed in-tank supply pump which is the same one most people are installing in their Jeep CRD tanks; the recommended low side fuel pressure is: *Dodge CR 5.9L and 6.7L = 8 to 15 psi (*per Diesel Injection Service Guide to the CP3 injection pump) The CP3 fuel pump was used in the Dodge Diesels (Cummins Engine) starting in 03 and continued for many years and is the same injection pump as installed in our 05 & 06 Jeep CRDs. GM Duramax also used the CP3 injection pump for several years as well.... |
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| Author: | phum [ Sat Oct 08, 2016 5:04 pm ] |
| Post subject: | Re: 12v aux. lift pump |
Thanks all |
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