TwinTurbo.NET: Nissan 300ZX forum - An adj Fuel pressure regulator works ... Works like this
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Subject An adj Fuel pressure regulator works ... Works like this
     
Posted by Carlos Ramirez on July 24, 2001 at 11:57 AM
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In Reply To would a fuel pressure regulator do anything for our car? posted by SWEEEET Z on July 24, 2001 at 08:41 AM
     
Message First understand that our injectors are rated for 370CC @ 43PSI which is 3bars.

If you were to increase the fuel pressure to 4bars your new injector flow rate would be the following

NEw flowrate =sqrt(NEW PSI/OLD PSI) * OLD FLOWRATE
= sqrt (4/3) * 370
= 427cc @ 59PSI

So its not quite like an AFC and ECU as it changes the mechanical function of injectors.

There are different types of fuel pressure regulators but the one I think would work best is a rising fuel pressure regulator. Which would only increase the fuel pressue when boost is increase. Where at 15PSI you would increase your fuel pressure by 15PSI.

Computech and Aeromotive are two popular fuel pressure regulators.


     
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