Fueling & Injection Fuel Pumps | Injectors | Rails | Regulators | Tanks

Double pump diagram

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Old Oct 10, 2009 | 05:34 AM
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Default Double pump diagram

Gently critic this please! Im still learning lol.. this is what ive come up with. I could be way way off...

All the sponcers are awesome!


But... I want to do this on my own. Just to do it and save A little coin.

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Old Oct 10, 2009 | 05:38 AM
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oh! forgot to mark the 20 amp fuse before the hobbs switch!
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Old Oct 10, 2009 | 09:03 AM
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I would put the FPR on the end rail with the sensor and return it from there. Why the -8 feed? -6 would be fine unless you plan on boost. You can also use the stock feed as the return and only run one -6 line.
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Old Oct 10, 2009 | 02:48 PM
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My car is running a F1 procharger setup. I get braided line for free. (I build Helecopter engines) So i might as well use it!
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Old Oct 10, 2009 | 11:49 PM
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You want your regulator after the fuel rails.

The link below should help.
http://www.kinsler.com/Cat_31_Web_HT..._screen71.html
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Old Oct 11, 2009 | 08:27 AM
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You really don't want that much current running through the Hobbs switch. Use it to power a relay, which then handles the power requirements of the second pump. This is a very standard method of running power to a high-current device, such as a fuel pump, EWP, etc.
You would also be well served to put a Racetronix harness on the first pump. It is the one that runs almost all the time, and the factory wiring is woefully inadequate of the power requirements of a 255lph pump. You can't build one to their quality for what they charge, so I suggest you purchase that one outright.
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Old Oct 11, 2009 | 04:29 PM
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Originally Posted by koolaid_kid
You really don't want that much current running through the Hobbs switch. Use it to power a relay, which then handles the power requirements of the second pump. This is a very standard method of running power to a high-current device, such as a fuel pump, EWP, etc.
You would also be well served to put a Racetronix harness on the first pump. It is the one that runs almost all the time, and the factory wiring is woefully inadequate of the power requirements of a 255lph pump. You can't build one to their quality for what they charge, so I suggest you purchase that one outright.

Good advice Will do!
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