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injector size

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Old Aug 4, 2007 | 01:21 PM
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From: sudbury ontario
Default injector size
does anyone know how big of an injector the stock computor can handle? or is there any limit to to stock computor?
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Old Aug 4, 2007 | 02:08 PM
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From: sudbury ontario
Default forgot to add
the injector size for an ls1 engine lol sorrryy
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Old Aug 4, 2007 | 03:06 PM
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There is no limit, because the computer just uses pulse width to control it. It doesnt think "i need XX cc's of fuel"

Theres people on this site using 160lb injectors, I think you'll be ok.
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Old Aug 5, 2007 | 01:35 AM
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any high inpedance injector i think up to like 65lbs or something like that
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Old Aug 5, 2007 | 01:40 AM
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To go to a low impedance injector, would you need to change the injector drivers like I had to do with the old ECM in my GN?
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Old Aug 5, 2007 | 11:31 PM
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From: sudbury ontario
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yeah thats what i thought 65 is the max i think on mine..but to change the drivers would i need a new computor?
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Old Aug 6, 2007 | 06:26 PM
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probably not. You may be able to tune it.
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Old Aug 6, 2007 | 07:42 PM
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Originally Posted by one fast ss
yeah thats what i thought 65 is the max i think on mine..but to change the drivers would i need a new computor?
Not a new PCM, but external drivers.
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Old Aug 7, 2007 | 11:46 AM
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Your factory pcm will control any high impedance injector(if you reflash the pcm). With that said the biggest high impedance injector is 72 lbs/hr. You can run a low impedance injector, you will have to get a external driver (AEM,Big stuff 3, etc.)
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