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Rb20 Upgrade Question

hectic32

By hectic32,
in Engines & Forced Induction

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hectic32 Enthusiast

hectic32

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hi all im collecting parts atm to upgrade my rb20det in my r32 gtst have got pfc, r33 turbo, 040 intank,

boost controller an jus wanted to know will i need a fuel pressure regulater for these mods

Also already got the basic mods done and later on down the track i will be installing gtr injectors afm and gettin turbs hi flowed and coilpacks ect so if i don't need the fpr for the first lot of mods will i need it later on for when i put the gtr injectors in an all that

hope that makes sense cheers

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hectic32 Enthusiast

hectic32

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im getting confused there have been a few topics i've read and people are upgrading fpr's to adjustable ones

or is it cos i got a power fc i can adjust it on that an not worrie bout upgrading cos i will need more fuel once i start to

up the boost so can someone who definatley knows bout this explain please

grandmasterb Grand Master

grandmasterb

Posted
Posted
im getting confused there have been a few topics i've read and people are upgrading fpr's to adjustable ones

or is it cos i got a power fc i can adjust it on that an not worrie bout upgrading cos i will need more fuel once i start to

up the boost so can someone who definatley knows bout this explain please

With the set up you described above there is no need to replace your stock FPR nor is there a need to bump the pressure up at all with the GTR injectors.

The stock reg will be fine as its rising rate so save your money for something else :P

blind_elk Grand Master

blind_elk

Posted
Posted
im getting confused there have been a few topics i've read and people are upgrading fpr's to adjustable ones

or is it cos i got a power fc i can adjust it on that an not worrie bout upgrading cos i will need more fuel once i start to

up the boost so can someone who definatley knows bout this explain please

As the grandmaster said.

The PFC doesn't know about fuel pressure, so you can't control it from there. The factory FPR is a rising rate regulator, and as you up the boost, so you will up the fuel pressure. You get more fuel by programming the PFC to open the injectors for a longer time.

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