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2 Fuel Regulators?

Driftnuttz
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Driftnuttz Enthusiast

Driftnuttz

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Posted (edited)

I have this rb20det silver top head and noticed that on the fuel rail there are 2 fuel pressure regulator. Are they both fuel pressure regulators, or is one something else?

It is not letting me post any pictures, but here they are on my facebook page...lol

http://www.facebook....&type=1

http://www.facebook....&type=1

I did do a little searching but found nothing...

Edited by Driftnuttz
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https://www.sau.com.au/forums/topic/370164-2-fuel-regulators/
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Beer Baron Grand Master

Beer Baron

Posted
Posted

I can't see the pics. don't use facebook. but I assume you are talking about the fuel dampener and the fuel reg. fuel reg is on the end of the rail and the dampener is usually on a piece of hose? you'll see only one actually has a vacuum source from memory. that one is the fuel reg.

bubba Grand Master

bubba

Posted
Posted

I can't see the pics. don't use facebook. but I assume you are talking about the fuel dampener and the fuel reg. fuel reg is on the end of the rail and the dampener is usually on a piece of hose? you'll see only one actually has a vacuum source from memory. that one is the fuel reg.

They both have vac lines. One was ran to the throttle body and the other is ran to the manifold. The one that is ran to the manifold is on the from of the motor. Is it needed or can it be trashed?

Also wondering this, the original RB20DET fuel rail I had I'm pretty sure only had one reg. The one I have now has 2 and they both seem to require a vacuum source, from the same point??

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