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Resoning behind replacing FPR?

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Old 10-18-2000, 05:19 PM
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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?
Old 10-18-2000, 05:28 PM
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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).]
Old 10-18-2000, 06:34 PM
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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.
Old 10-18-2000, 06:36 PM
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Pinky, any empirical data yet, ie. dyno sheets or fuel economy data?
Old 10-18-2000, 06:40 PM
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Not to be a dick, but i would imagine Honda capable of getting the right "mix". I can't help but feel there will be quite some discontent surfacing real soon!
Old 10-18-2000, 09:11 PM
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[QUOTE]Originally posted by Frank:
[B]Not to be a dick, but i would imagine Honda capable of getting the right "mix".
Old 10-18-2000, 10:41 PM
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ming, they had '63 Camaros and Mustangs????!!!!!!!!!!!! That's nutty
Old 10-18-2000, 10:44 PM
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How are these FPR's plumbed in? The only ones I'm familiar with are used to richen mixture not lean it out.
Old 10-19-2000, 02:46 AM
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[QUOTE]Originally posted by RT:
[B]How are these FPR's plumbed in?
Old 10-19-2000, 04:45 AM
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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.


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