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How to: Build your own AFPR kit.

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OK, the purpose of this article will be to better inform other DSMers on what it takes to piece together your own adjustable fuel pressure regulator kit. I'll do my best to include part numbers and pictures.

Lets first start with pictures and terminology:

I will refer to this being a standard JIC/AN fitting (or AN fitting). This is to be used with the stainless braided hose. The picture shows a 90*, but they are also available in 45*, straights, 180*, etc.....
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I will refer to this being a socketless fitting (or push-on, or barbed fitting). This is to be used with the reinforced pushlock hose. The picture shows a 90*, but they are also available in 45*, straights, 180*, etc.....
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This is a standard ORB (o-ring boss) straight fitting. The thread on each side is AN. However, on the regulator side of the fitting, the o-ring is what makes the fitting a seal to the regulator. Because of this o-ring, the 37* self sealing flare is not needed, so the fitting manufacturers choose to cut these flat.
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Step #1 - Pick your regulator. This tech write-up is directed toward the Aeromotive A1000-6 Injected Bypass Regulator (part # 13109). This regulator features two -6AN inlet ports and one -6AN return port (perfect for most any DSM). This is a 1:1 riser and is adjustable from 30-70 PSI of base pressure.

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**Note - This regulator does not come with the fittings in the picture.**


Step #2 - You must choose which hose you intend to use. Either a stainless braided hose, or a socketless/push-on hose. The stainless braided is the more expensive of the two, but it also has a superior look and durability to it. The difference lyes within the fittings used with each. The stainless braided hose accepts the standard JIC/AN fittings, whereas the socketless/push-on hose accepts the pushlock barbed fittings.


Step #3 - You need to mock up your regulator to decide which fittings you will need. For example:

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Depending on where the regulator is, you might need a 90* fitting going into the regulator, or maybe a 45*, or a straight fitting. It all depends on where the regulator is mounted in relation to the fuel rail outlet. The diagrams above merely represent examples.
 
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Step #4 - Put together a list of all parts/fittings needed. This diagram should help with where the fittings go and what is needed:

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Step #5 - Here is a list of part numbers for the parts you may need:

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JIC/AN straight -6AN
Aeroquip = FCM1012
Earls = 800106
XRP = 100006 (non-swivel only)
Russell = 610020


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JIC/AN 45* -6AN
Aeroquip = FCM4022
Earls = 804606
XRP = 204506
Russell = 610090


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JIC/AN 90* -6AN
Aeroquip = FCM4032
Earls = 809106
XRP = 109006
Russell = 610160


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Socketless push-on straight -6AN
Aeroquip = FCM1512
Earls = 700167
XRP = 230006
Russell = 624010


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Socketless push-on 45* -6AN
Aeroquip = FCM1522
Earls = 704667
XRP = 234506
Russell = 624080


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Socketless push-on 90* -6AN
Aeroquip = FCM1532
Earls = 709167
XRP = 239006
Russell = 624160


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ORB male -6AN to male -6AN
Aeroquip = N/A
Earls = 985006
XRP = 980006
Russell = N/A


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ORB plug -6AN
Aeroquip = FCM3724
Earls = 581406 (two per package only)
XRP = 981406 (does not include o-ring)
Russell = 660270


Here is a picture of the return fitting. This is made by Aeromotive (part # 15627). It is an ORB -6AN to a 7mm male barb. This is perfect if you are using the OE return hose from the OE regulator.
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Keep in mind some regulators have NPT ports. In this case, you would replace the ORB fittings with NPT fittings, but the basic concept of building the kit would be the same.

SX and AEM are other regulators that have -6AN ports like the Aeromotive 13109. They will install just like the Aeromotive above.


Stock fuel pressure settings are as follows:
1G=37 psi
2G=43 psi

These readings are taken with the vacuum line off of the AFPR.


For pictures of other DSMers AFPR installs, CLICK HERE.


If there is anything above that needs to be corrected or added, feel free to PM me. I hope this helps some of you.

-Paul-
 
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