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Fitting an Adjustable FPR

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Old Oct 17, 2018 | 04:42 PM
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Default Fitting an Adjustable FPR

Just purchased this Malpassi regulator with sytecs gauge, question, how do i plumb it in lol, any fitting guides to fit an adjustable FPR, had a quick search but no luck on the web.



Last edited by The Rig; Oct 17, 2018 at 04:44 PM.
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Old Oct 20, 2018 | 08:48 AM
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The little aluminium thing will sit in your driver's side fuel rail. Btw looks like it's missing an o-ring (afaik the same size as for the fuel injectors will work).

The reg itself:

The top connection is probably an air connection, where you attach a line from the manifold (same as where your original fpr has its vacuum take off).

The other two pipes are petrol line connections. I'm guessing that the side one is for fuel in (high pressure side of system) and the bottom is return to tank).
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Old Nov 5, 2018 | 12:08 PM
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Hi,
Ok thanks for the reply.

So im assuming i remove the old regulator, fit the fuel rail adapter in its place, then from the fuel rail adapter outlet it goes to the Inlet of the adjustable fuel regulator, then from the outlet of the adjustable regulator to the return line near the passenger side turret ?
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Old Nov 5, 2018 | 12:45 PM
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yes or simply pipe the "outlet" of the FPR back to the original reg pipe on the manifold if you want to keep things neater.......
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Old Nov 5, 2018 | 01:20 PM
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Originally Posted by stockcar
yes or simply pipe the "outlet" of the FPR back to the original reg pipe on the manifold if you want to keep things neater.......
Ooh, this is a great idea! I feel like I've got fuel lines all over the engine bay at the moment, so should have definitely done this!
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Old Nov 5, 2018 | 03:21 PM
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ok cheers guys, yes, i was planning on using the original metal pipe that runs under the inlet manifold so the return flow is a stock as can be, BUT, looking at it, it might be too much of a kink getting the new fuel line to attach it to the original metal pipe under the inlet manifold, so i might just have to bypass the metal pipe altoghether and just join onto the near the turret, if that makes sense.

but will have a go and see how it goes
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