Toyspeed.org.nz Message Board

by **AE82 FXGT** » Tue Jan 30, 2007 7:14 pm

Hey guys,

I'm checking out the average prices for a genuine Sard fuel pressure regulator.

Are these adjustable at all?
Or are they just boost referenced?
And would a fpr make that much of a difference if you're running the factory ECU?

AS I see it the ECU would compensate for the extra pressure by altering the injector phasing etc.

by **AE82 FXGT** » Tue Jan 30, 2007 7:15 pm

BTW check out this guys keywords...

http://www.trademe.co.nz/Browse/Listing.aspx?id=85795859

by **postfach** » Tue Jan 30, 2007 8:06 pm

they're adjustable, i think i paid heaps for mine cos i wanted it right then, think they go for between 250 and 300.

mine made a difference, injectors were maxed out so bumped up the fuel pressure so more fuel at same duty cycle (at least thats the theory? car doesn't lean out anymore so i assume its working)

by **AE82 FXGT** » Tue Jan 30, 2007 8:12 pm

postfach wrote:they're adjustable, i think i paid heaps for mine cos i wanted it right then, think they go for between 250 and 300.

mine made a difference, injectors were maxed out so bumped up the fuel pressure so more fuel at same duty cycle (at least thats the theory? car doesn't lean out anymore so i assume its working)

So did you buy a gauge to know what the fuel pressure was at?
And duty cycle was the words I was after not phasing...

by **postfach** » Tue Jan 30, 2007 11:04 pm

yeah i did buy a gauge, i think i ended up paying about $300 for the lot

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