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Is this fuel pressure regulator standard?

OllieR

By OllieR,
in R Series (R30, R31, R32, R33, R34)

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GTSBoy Grand Master

GTSBoy

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Well, the reg down between the strut and the manifold is clearly not standard.  As to the other one....seeing as I can barely see anything in your photo because you were standing on the other side of the country from your engine bay when you took it.....it is more than likely the stock pulsation dampener that sits on the rail.

GTSBoy Grand Master

GTSBoy

Posted
Posted

You could google the part number on the Weber item and find out if it is a reg or a dampener.

You could follow the fuel lines from the supply (the filter attached to the tower is the supply) and up through the various items, including the fuel rail and map out what devices are where, in what order. and what is supplied with a vacuum line, and work it all out for yourself.

Blakeo Rising Star

Blakeo

Posted
Posted
On 12/26/2018 at 7:52 PM, OllieR said:

I think is a 2.5 bar regulator, well that what is on it PR / 2.5B I’m guessing that’s pressure regulator 2.5 Bar? 

Isn't the standard FPR 2.5bar or 36psi?

wonder why it’s been changed?

Sometimes the factory item can have issues. My FPR was causing the fuel pressure on the rail to jump around erratically and was changed out for a Turbosmart FPR. 

To me 36psi sounds like on the low side. Mine runs about 45psi but has been tuned and tuner set it to this pressure. It is good they kept the fuel dampener inline it definitely does help.

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