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G16 injectors
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Author:  Damo [ Thu Jun 05, 2008 1:01 am ]
Post subject:  G16 injectors

I've been doing some research into injectors and have some info on the stock units.

The stock injectors are INP-470 which, according to this page, are manufactured by Nikki. They flow 172cc @ 3 bar.

From what I have read/seen so far it looks like Nikki injectors use a Denso (ND/NipponDenso) connector (round, commonly referred to as "F" type).

Apparantly 03/04 WRX injectors are what i'm after. Direct swap and 380cc. 7MGE will fit straight in too, and around 310cc. 1UZFE are also direct fit, and 250cc.

Author:  royce [ Thu Jun 05, 2008 1:08 am ]
Post subject:  Re: G16 injectors

so how would this compare to say a train, which I could also afford?

any idea how far you could go with the stock injectors before you start getting problems?

Author:  Damo [ Thu Jun 05, 2008 1:24 am ]
Post subject:  Re: G16 injectors

royce wrote:
so how would this compare to say a train, which I could also afford?


A train is a light attached to a lot of metal :P

royce wrote:
any idea how far you could go with the stock injectors before you start getting problems?


Apparantly, around 7psi you start running out of pulse width.

Author:  royce [ Thu Jun 05, 2008 1:29 am ]
Post subject:  Re: G16 injectors

whats that equate to in HP? 7psi on a T2 and 7psi on a GT28 is a lot different HP wise

should be easy enough to get hold of though if you ask around a few suby workshops

Author:  Damo [ Thu Jun 05, 2008 10:41 am ]
Post subject:  Re: G16 injectors

royce wrote:
whats that equate to in HP? 7psi on a T2 and 7psi on a GT28 is a lot different HP wise

should be easy enough to get hold of though if you ask around a few suby workshops


About 130HP (at the crank) is what they'd max out at.

Author:  Hybrid [ Thu Jun 05, 2008 1:08 pm ]
Post subject:  Re: G16 injectors

Any idea on interchangeable throttle body injectors damo? I thought you might have looked into it when running your 1.3L

Author:  Hybrid [ Thu Jun 05, 2008 1:31 pm ]
Post subject:  Re: G16 injectors

Thought this calculator might help to Damo

http://www.witchhunter.com/injectorcalc1.php4

Author:  Damo [ Thu Jun 05, 2008 1:37 pm ]
Post subject:  Re: G16 injectors

I never really looked TBI injectors. I might pull mine out and have a look, see if it has a model number on it or something.

Author:  Hybrid [ Thu Jun 05, 2008 5:00 pm ]
Post subject:  Re: G16 injectors

I was thinking of just pulling it out and putting the verniers on it. Looking at how they seat im wondering if any side feed injector with the same diameter in the o-ring area would fit.

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