Fuel Pressure?

Thanks Heaps Guys.Great Info!
Cheers Dave,that's what I am talking about.I initially got the idea from you when you put in your FPR.So that answers my query.It's simple then 10% increase in air flow in = 10% you can increase the Fuel Pressure.
Ha Ha,I know I had planned on getting a header (I will in the future),but I Love how my car runs now,stealth too,cause a Header will make it quite Grunty yeh?
The MSD System is the shit! I Love it!
MSD Box (Multiple Spark Box)
HVC (High Voltage Coil)
I Had to Modify the Stock Dizzy Cap with a MSD Power Tower since MSD don't make a Modified Dizzy Cap for the D16y4

how much gain from the FPR??

anything noticeable??

go pics??

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Originally Posted by JasonGilholme

how much gain from the FPR??

anything noticeable??

go pics??

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im sure you've seen a fuel pressure regulator before haven't you?

walbro fuel pump + sard reg = 45 psi :)

but that formula for 10% increase is in relation to vacuum... pressure rises the higher the revs.....

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Originally Posted by JasonGilholme

how much gain from the FPR??

anything noticeable??

go pics??

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A Nice Bump in Power For sure.Obviously nothing BIG but Definately worth doing.
I installed a Walbro 255LPH Fuel Pump 3 weeks after that.I know 190LPH would have been suffice but I thought what the hell it cant hurt.If I decide to do Major Mods in the future (when I get $$$-Ha Ha) it will be better to have the bigger pump.And offcoarse there was no increase in power but I reckon my 10 yr old pump wasn't cutting the mustard anymore.
I'll take some snaps of My engine bay tomorrow,I've been meaning too :o .

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Originally Posted by crx88rb

walbro fuel pump + sard reg = 45 psi :)

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Depends on what other mods ya got but

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Originally Posted by dsp26

but that formula for 10% increase is in relation to vacuum... pressure rises the higher the revs.....

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I'm confused :confused:

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Originally Posted by beeza

Depends on what other mods ya got but



I'm confused :confused:

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i/h/e billet cams, cam gears, safc2...works nicely :)

http://i99.photobucket.com/albums/l2...2/DSCF1260.jpg

http://i99.photobucket.com/albums/l2...2/DSCF1270.jpg

Peek a Boo I can C U
http://i99.photobucket.com/albums/l2...2/DSCF1274.jpg

Why Not
http://i99.photobucket.com/albums/l287/beeza2/what.jpg

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Originally Posted by beeza

I'm confused :confused:

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good you have a gauge on your setup... notice how when you rev the car the pressure goes up... it's rising rate... supposed to provide a little extra fuelling in higher revs....

it's controlled by that blue hose you have at the top.

fair to say that the rising rate regulator might make more of a difference if you have msd?

bit of a noob when it comes to fuel pressure stuff so willing to stand corrected

Nice thoughts , but point is with current mods and engine , increasing fuel pressure will not yield any results apart from leaving more black soot on his bumper.