Resoning behind replacing FPR?
#1
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Join Date: Oct 2000
Location: San Jose
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I noticed that some people did a group buy on some Fuel Pressure Regulators. My question is why do this when you havent done any mode (read: Forced Induction) that have different fuel delivery requirements over stock? What can be gained with this mod?
#2
Good question. I think that people have found the S2K is setup a little rich in its stock form for a safety margin. By using an adjustable regulator you can lean it out a little and tweak out a few more Hp.
[This message has been edited by Silver S2K (edited October 18, 2000).]
[This message has been edited by Silver S2K (edited October 18, 2000).]
#3
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You also get some better gas milage and a better fuel delivery.
If you end up tuning you car on a dyno it will allow you to get the Fuel/Air mix correct.
If you end up tuning you car on a dyno it will allow you to get the Fuel/Air mix correct.
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#10
When I got to the dyno, my car had 196HP and after playing with the FPR I got 200HP. YES, the car come rich from factory. I have now the apex V-AFC and have -4% fuel all across the RPM and the car feels great.