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Will This Fit My R34?

noely1

By noely1,
in Engines & Forced Induction

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noely1 Community Regular

noely1

Posted
Posted

will this fit my N/A r34 sedan??

http://cgi.ebay.com.au/WALBRO-FUEL-PUMP-Ni...=item23059f8795

also would 550cc injectors work well??

will the injectors that are labeled as "turbo" ones fit my n/a??

i know sfa about this sort of this so any info would be great!!!

cheers

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PSI-FED Collaborator

PSI-FED

Posted
Posted (edited)
why do you want 550cc injectors for your NA? do you have an aftermarket ECU to run them?

and that wlabro pump looks too cheap to be genuine

lol took the words right out of my mouth.

Edited by PSI-FED
mad082 Grand Master

mad082

Posted
Posted

may i ask why you want to upgrade them? is the old pump failing? if not then don't bother. neither a bigger fuel pump nor injectors will give you a power increase. unless you have a hell of a lot of work done (such as having a turbo fitted) then there is no need as you won't even be close to maxing out the stock ones.

N-DAWG Mentor

N-DAWG

Posted
Posted

Does seem a bit cheap for a Walbro. A Walbro GSS342 should be a direct replacement (done it on my R34 GT for the turbo conversion) but as mentioned already, why do you need bigger pump and injectors?

GTT Injectors are a straight swap on an RB25DE NEO. iirc they are around 370cc? which is enough for me to run a turbo at around 10-12PSI on 10:1 CR. Unless your looking to rebuild your engine, put on a big turbo, one that would even require ditching the factory AFM... you're not going to need those size injectors and even then a Walbro GSS342 is good for 500HP (or is it 550)? nuff said though, spend the money elsewhere unless this is part of a major upgrade :)

noely1 Community Regular

noely1

Posted
  • Author
Posted

well im thinking of getting an APEXI fc +hand controller for my car... thats the reasoning behind it..

also anyone know who/where i can source one of these apparently they have been discontinued for the ER34's ?

N-DAWG Mentor

N-DAWG

Posted
Posted

Apexi Power FC should be fine as the car is manual and no longer needs the auto shift logic, and your replacing the ECU, not running a piggy back.

What are your long-term plans with the car? You would at least want to be working on the internals, upgraded camshafts, port polish, raise compression etc... to really take advantage of 550CC Injectors, bigger pump and a PowerFC... The cost of the PowerFC + Tuning = not worth it unless your at least fitting a snail

N-DAWG Mentor

N-DAWG

Posted
Posted

In that case buy your parts, but wait till your ready for it all to be put together before you start playing around with ECU's injectors and pumps. Only because it's unnecessary costs in labour and tuning, only to be retuned on the turbo conversion.

So to answer your question, a Walbro GSS342 is a direct replacement fuel pump, and R34 GTT Injectors will be a direct replacement, and will be plenty unless you want to go all out rebuilding your engine for higher horse power. Unless your able to get R34 550CC injectors at a really good price that's hard to pass up, then go for it, otherwise just stick with good 2nd hand GTT Injectors and you should be fine :P

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