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how much power are you planning on making? and on which fuel?

I would be really happy to get about 300kw at the wheels and be running premium fuel. My motor has been fully rebuilt, i have adjustable timing gears, bigger fuel pump and im about to upgrade my turbo. I just want a slightly bigger injector than standard. I have an R33 GTST with an RB25DET in it.

555cc if you go a 3071 or smaller

740cc if you go a 3076 or larger

740cc minimum if you are going to run e85

1000cc if you want to shoot for more power on e85 later on

555cc if you go a 3071 or smaller

740cc if you go a 3076 or larger

740cc minimum if you are going to run e85

1000cc if you want to shoot for more power on e85 later on

thanks thats what i needed to hear

get ones with a decent spray pattern as well, don't just look at the cc rating.

Which ones have good spray patterns then?

I mean i got these sard dual spray ones (designed for JZ engines) that dont seem to have a spray pattern really they just shoot 2 huge jets of fuel out, have read somewhere they can spray into the walls on RBs ..Dunno if thats any good or not but they work ok..Definately can supply a heap of fuel..

Edited by Arthur T3

I wouldn't know to be honest, I haven't been injector shopping yet. But I do know that there is an appreciable difference between cheap and good ones.

Start googling for reviews and tech articles, that is what I would be doing.

Edited by Rolls

I wouldn't know to be honest, I haven't been injector shopping yet. But I do know that there is an appreciable difference between cheap and good ones.

Start googling for reviews and tech articles, that is what I would be doing.

Not to worry, I did some googling when i got them but didnt find alot, they're already in the car and working fine, if they stop working then i will worry.. :D

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