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Changing From Side Feed To Top Feed For Fuel Injectors


MissR34
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Hey all

normally i wouldnt post something like this, but i know some of you may know what the deal is with changing from side feed injectors to top feed? has anyone in sa actually done it?

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whatsisname is the man to ask! but i thought neo 6 were top fed anyway?

but it is more costly changing to top fed because you need to get a fuel rail made! but i went for it because i thought maybe later on i might need to go for bigger injectors and there is a bigger variety of top fed then side fed

Edited by nos man
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i need 1000cc injectors and i cant find any for the RB25

the other option i was thinking was maybe going with RB26 fuel injectors and getting a RB26 Fuel Rail to match but i dunno if that will work either!

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1000cc are pretty big injectors! aiming for huge numbers or something?

but rb26 injectors should fit into neo 6 motors! no need for fuel rail i don't think but they're like 440-480cc injectors?

edit. rb25 neo, rb20 and rb26's all run top fed injectors! it's the r33 rb25 that runs side fed

Edited by nos man
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1000cc are pretty big injectors! aiming for huge numbers or something?

but rb26 injectors should fit into neo 6 motors! no need for fuel rail i don't think but they're like 440-480cc injectors?

edit. rb25 neo, rb20 and rb26's all run top fed injectors! it's the r33 rb25 that runs side fed

yeah the supercharger im getting is 800 hp with a 1200 CFM on it :thumbsup:

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are you taking the piss Cara or you are seriously thinking of putting a 800 hp super charger on your car?

ive seen you drive NA and i can asure you with anything over 300 hp you will become a statistic.

please be careful.

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RB25 NEO's run top feed high impedance injectors. i would suggest wiring in a resistor pack from a GTR and running low impedance injectors for a couple reasons. Because the injectors you use will then be the same as the GTR injectors there was more of a market than the high impedance injectors used on the RB20's and therefore should be slighly cheaper. Also low impedance injectors are a lot easier to control when running low duty cycles.

If you are going to be making 800hp then you will need to run an after market rail (probably 14mm injectors as well) and you will have to upgrade your fuel lines from the tank, it'll be expensive but i'm sure you weren't expecting it to be cheap.

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