TwinTurbo.NET: Nissan 300ZX forum - Injector upgrade time. Looking for some input.
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Subject Injector upgrade time. Looking for some input.
     
Posted by slow2by2z on September 08, 2008 at 2:06 PM
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Message I have searched but I was looking for more info pertinent to my specific questions. One of my stock injectors failed on my TT and I've decided to upgrade while replacing them. The questions I have are in regards on which to choose, 740cc or 555cc. I am looking at the kits from Z1 with the newer injectors and 300degree fuel rails and notice that 740cc injectors are only slightly more. So, here come the questions:

On a car with stock turbos ( plan on upgrading some time in the future when I can afford to), will the 740cc injectors present problems that the 555's would not? I know that larger injectors are sometimes prone to rough idle but found mixed information about the 740's when I searched.

If the 740's do present idle trouble, how bad is it?

Will running 740's at such a low duty cycle cause them to fail prematurely?

Thanks in advance and yes I searched but wanted more specific answers.

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