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Discussion Starter #1
Anyone using an AEM adjustable fuel pressure regulator? Either the type that bolts on to the fuel rail or the universal one?

Thanks.

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Billy
North Texas Prelude Owners Group
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No, but i heard they yield decent gains. FPR in general. Maybe just hear say......

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Discussion Starter #3
Yeah, I understand that. I have to use an AFPR for my setup, and I can't seem to find any pics of the AEM AFPR installed.

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Billy
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Discussion Starter #4
What about the SX AFPR? Anyone use on of those?

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Billy
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i have personally heard good things abouit the stillen unit, it is a whole unit and not a "modify the stock fpr" ones. And it comes witht he FP guage. Weapon R makes one but thet thing is a POS.

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Dan Yi
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<font face="Verdana, Arial" size="2">Originally posted by DYI01:
i have personally heard good things abouit the stillen unit, it is a whole unit and not a "modify the stock fpr" ones. And it comes witht he FP guage. Weapon R makes one but thet thing is a POS.
</font>
Isn't the Stillen only a fuel pressure riser?

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Billy
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I was eyeing the AEM a few days ago.


I have a B&M now, if this one goes I will probably get the AEM.
 

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<font face="Verdana, Arial" size="2">Originally posted by VeeTec:
I was eyeing the AEM a few days ago.


I have a B&M now, if this one goes I will probably get the AEM.
</font>
how do you like the b&m?
 

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I think Ryan Earl has the SX one. At least he has one of the generic ones like that. I think this is more what you're looking for if you're thinking about the Euro-R rail. You can get your machine shop to tap out the hole for the pressure regulator and install any of the high end regulators, like the SX.

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DirtyLude
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I've been thinking about getting the AEM rail with the AFPR, but there is only a listing for the 97-01 prelude. Considering I have a 94 VTEC do you think that the units would fit my car as well being that I have an H22A engine as well or is there a difference in rails between the two gens?
 

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<font face="Verdana, Arial" size="2">Originally posted by 71dsp:
Isn't the Stillen only a fuel pressure riser?

</font>
yup, it is...i still like it though


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Discussion Starter #13
<font face="Verdana, Arial" size="2">Originally posted by Pure Lude:
aem fpr's can crap out at 100+psi fuel pressure
so don't use one if you're going that high...but i know you aren't...

Tim
</font>
Damn, the flow pattern has to look like crap at that high of pressures!!!!

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Billy
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Discussion Starter #14
<font face="Verdana, Arial" size="2">Originally posted by HRC:
yup, it is...i still like it though

</font>
Won't do me any good if I need to lower pressure lower than stock..... Hence the need for an adjustable fuel pressure regulator.


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Billy
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could someone explain what exactly an FPR (such as aem's) does?

is it just to squirt out fuel faster to make the air/fuel ratio more lean?

is this a "mechanical" solution of v-afc? or odb-II?

i'm confused.

in addition, with just bolt-ons like i/h/e/p, would this be worth it?

thanks in adv.
 
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Discussion Starter #16
<font face="Verdana, Arial" size="2">Originally posted by jkoc:
could someone explain what exactly an FPR (such as aem's) does?

is it just to squirt out fuel faster to make the air/fuel ratio more lean?

is this a "mechanical" solution of v-afc? or odb-II?

i'm confused.

in addition, with just bolt-ons like i/h/e/p, would this be worth it?

thanks in adv.
</font>
First, do you mean

FPR = fuel pressure riser

or

FPR = fuel pressure regulator



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Billy
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The Stillen unit is an adjustable unit. I have used them in my Preludes and my Civics with great results. You can tune the pressure down or up. Call stillen and talk to a tech about it.
 

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<font face="Verdana, Arial" size="2">Originally posted by Pure Lude:
aem fpr's can crap out at 100+psi fuel pressure
so don't use one if you're going that high...but i know you aren't...

Tim
</font>
Do you know people this has actually happened to?
 
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Discussion Starter #20
<font face="Verdana, Arial" size="2">Originally posted by jkoc:
Regulator...
</font>
It regulates the pressure of the fuel being fed to the injectors.

Higher pressure = more fuel; lower AF ratio

Lower pressure = less fuel; higher AF ratio



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Billy
North Texas Prelude Owners Group
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