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SR8 fuel pressure

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John Parsons
(@parsonsj)
Prominent Member
Joined: 5 years ago
Posts: 626
Topic starter  

Hey guys, this seems like a dumb question... but what is the factory fuel pressure on an SR8 (2009, RS body, RPA #34)?

I thought it was 3 bar (43.5 psi), but my car is running 4 bar. Not only that, but fuel consumed is about 20% more than what the Life ECU thinks... 

Can anybody confirm 3 bar?

thanks! 


   
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Andy
 Andy
(@captainslow)
Active Member
Joined: 4 years ago
Posts: 10
 

Mine used to have the cheap and cheerful $25 Bosch fuel pressure regulator in it that is a 3 bar regulator so one would assume 3 bar.  I replaced it with an Aeromotive piece.  I believe it flows more and is adjustable.


   
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John Parsons
(@parsonsj)
Prominent Member
Joined: 5 years ago
Posts: 626
Topic starter  

I have an adjustable FuelLab regulator somewhere. I'll swap it in and adjust to 3bar. Thanks!


   
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