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Author Topic: RS4 fuel pressure return valve  (Read 1727 times)

Offline Sammy

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RS4 fuel pressure return valve
« on: March 28, 2012, 10:33:11 pm »
What is this part and what does it do? Is it worth fitting and what are the actual benefits?
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Offline Obese

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Re: RS4 fuel pressure return valve
« Reply #1 on: March 28, 2012, 10:44:59 pm »
Not being funny but use the search button there is alot of info on this in great depth :happy2:
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Offline Sammy

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Re: RS4 fuel pressure return valve
« Reply #2 on: March 28, 2012, 11:07:07 pm »
I already did, didn't find anything to do with benefits?
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Offline ktlstar

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Re: RS4 fuel pressure return valve
« Reply #3 on: March 28, 2012, 11:36:20 pm »
http://www.mk5golfgti.co.uk/forum/index.php/topic,43589.0.html

I searched it and was second thread.

Only helps for people who are stage2+ which the map requests 130bar of fuel, limiting the OEM valve at 130bar. The RS4 is 136bar IIRC giving it some room to play with.

PROS: Flat spots up in the higher rev range clears up when this is fitted.
CONS: A pain in the ass to fit, 30 minutes if you know what your doing!
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