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Best location for FPR?

Old 01-07-17, 10:12 PM
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Best location for FPR?

Hi All,

I wonder where is the best location to place a after market fuel pressure regulator in a stock twin turbo engine bay? I saw some installation on the end of fuel rail on firewall side, wonder if there is other secure location to install?

Thank you all.
Old 01-08-17, 12:33 AM
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I have mine there with no problems
Old 01-08-17, 11:11 PM
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theres no best location really. it can be put anywhere it fits. its up the user to decide where the "best" location is. what might be a good location for some might not be possible for others. put it wherever there is room.
Old 01-09-17, 04:11 AM
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^ I would add the caveat that it is installed AFTER the fuel rails. The FPR doesn't regulate any pressure on its return side, so if the OP were to install it on the line before fuel flows into his rails they would not be able to effect the pressure any.
Old 01-09-17, 07:20 AM
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I've seen some on the front of the intake manifold, so basically the inlet would go through both rails backwards from firewall to the front and to the regulator, than back to the tank.
Old 01-09-17, 07:46 AM
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I dont own an FD, but if it did, this is where id put it.


Old 01-09-17, 10:39 AM
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On a sequential turbo car I prefer to put it on the back of the secondary rail. You need an aftermarket rail and a -6 AN male to -6 ORB Union.
Old 02-19-17, 01:37 PM
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This is where i've put mine. Best location imo

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Old 02-19-17, 04:42 PM
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In front of the UIM, had to relocate the vacuum tank since I'm still running seq twins.

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Old 02-20-17, 05:26 PM
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Originally Posted by ZE Power MX6
In front of the UIM, had to relocate the vacuum tank since I'm still running seq twins.
where did you relocate your pressure chamber and the turbo precontrol/wg control solenoids to?
Old 02-21-17, 07:25 AM
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There are several new FPRs that are small enough to mount to the rail and clear the firewall. http://banzai-racing.com/store/fuel_...egulators.html

Old 02-21-17, 11:10 AM
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Originally Posted by wutangben
where did you relocate your pressure chamber and the turbo precontrol/wg control solenoids to?
You can kind of see it in this picture, the tank is mounted on the air pump bracket, it rests on top of the primary turbo intake elbow perfectly. I'm running a GReddy EBC so no precontrol/wg solenoids.

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Old 02-22-17, 03:02 PM
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Originally Posted by Banzai-Racing
There are several new FPRs that are small enough to mount to the rail and clear the firewall. Fuel Regulators

This. It's what I did. Still ran parallel rails.
Old 02-23-17, 07:21 PM
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I need to do this. It's soooo much cleaner looking. Less posible points of failure for leaks too, I haven't had the greatest luck with AN fittings.
Old 02-24-17, 07:35 AM
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Originally Posted by silverTRD
I need to do this. It's soooo much cleaner looking. Less posible points of failure for leaks too, I haven't had the greatest luck with AN fittings.
they make conical seals for AN fittings if you've had bad luck. They work well.
Old 02-24-17, 11:38 AM
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I have the AEM FPR mounted on the rail on our automatic project car.




Old 02-24-17, 05:14 PM
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Originally Posted by Monkman33
they make conical seals for AN fittings if you've had bad luck. They work well.

I have found those to be helpful on my -10 oil lines. I was able to fix my fuel lines ok, I still don't like the metal to metal seal for fuel personally. I had a small fire where my fpr return fitting leaked onto the twins exhaust manifold. It was easy to put out but it could have been a disaster. I'm contemplating switching to hose and barb fittings lol


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