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NedHan79
Hockenheim


Joined: 08 Nov 2018
Posts: 714



PostPosted: Tue Dec 24, 2019 9:11 am    Post subject: Adjustable fuel pressure regulator Reply with quote

Has anyone bothered with upgrading the fuel pressure regulator on a 3.4 c2?
Just wondering as I’ve never noticed anyone doing it in a 911. It might be worth thinking about on cars like mine with upgraded exhausts, cats and manifolds as well as intakes.

It’s a cheap mod on a lot of cars so it might be worth a look. I know it’s more for the turbo cars but just interested to know
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MisterCorn
Dijon


Joined: 08 Jan 2011
Posts: 7389
Location: Nottingham, England

2004 Porsche 996 Turbo

PostPosted: Tue Dec 24, 2019 9:39 am    Post subject: Reply with quote

I wouldn't bother, I can't see it doing anything other than messing up your fuelling. It is a bodge on turbo cars instead of fitting larger injectors.

MC
 
  
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RXBoxster
Monza


Joined: 31 Jul 2015
Posts: 239
Location: Preston - Lancashire


PostPosted: Tue Dec 24, 2019 10:25 am    Post subject: Reply with quote

There is no point.

The injectors and FPR flow enough fuel for what ever you do to the engine.
 
  
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NedHan79
Hockenheim


Joined: 08 Nov 2018
Posts: 714



PostPosted: Thu Dec 26, 2019 10:19 am    Post subject: Reply with quote

MisterCorn wrote:
I wouldn't bother, I can't see it doing anything other than messing up your fuelling. It is a bodge on turbo cars instead of fitting larger injectors.

MC


I have fitted larger injectors before and made parallel fuel rails to suit my needs as well as a fuel lab adjustable regulator. The regulator was needed as the bigger injectors couldn’t feed enough juice to match the bigger turbo.

I’ve never used one on a N/A though
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