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Stock injector Sizing

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Old May 17, 2006 | 05:48 PM
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Default Stock injector Sizing

Hey Folks,

I am new to the boards.

I tried searching but the search function seems to have issues right now (at least on my end)

Does anyone happen to know the stock injector sizing for the 350z?

I am putting the Turbonetics Kit on my car with the E-manage and I need the stock injector sizing to calibrate the E-manage.

You help and knowledge is appreciated.

Thank You
Travis Kittlitz
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Old May 18, 2006 | 09:45 AM
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Anyone have any idea's / hints at all?

Thanks again
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Old May 18, 2006 | 10:42 AM
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The Tn kit comes with 380cc injectors. You would know this if you read the instructions. Stock injectors are 280cc I think.
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Old May 18, 2006 | 11:31 AM
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Originally Posted by captj3
The Tn kit comes with 380cc injectors. You would know this if you read the instructions. Stock injectors are 280cc I think.
yes the TN injectors 380cc, stock are 280cc.

its better to get 440 cc for your kit.

good luck
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Old May 18, 2006 | 11:32 AM
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I knew the size of the injectors that come with the TN Kit. I needed the stock size to calibrate the emanage.

I thank you for your help!
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Old May 18, 2006 | 11:42 AM
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Apart from telling how much they flow, the numbers on injectors also more or less mean to what kind of RWHP the injectors are good, right? I mean: 440cc is good till 450HP etc...

So if the stock injectors are 280cc, aren't all the people running bolt on kits without injectors pushing their injectors way over their limit? I mean. I'm running 367RWHP on my stock injectors and I know at the top they are completely overmaxed-out. (putting 550cc's in with the engine build)

Danny
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Old May 18, 2006 | 12:30 PM
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Incorrect

To run 400HP at the Crank with a Turbo setup with Fuel Pressure @ 48 psi would require 550cc-600cc injectors. This would allow the injector duty cycle to stay below 80%

*(Please note this is using a Brake specific fuel consumption of .65 if you lowered that to .60 you could get away with 500cc injectors)

Last edited by JuJube; May 18, 2006 at 12:34 PM.
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