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Anyone using LS9 injectors?

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Old Mar 25, 2014 | 02:45 PM
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Default Anyone using LS9 injectors?

Anyone here using LS9 injectors? I'm thinking of picking up a set and giving them a shot. I think they are 52-56 lb/hr at 58 psi, and the data is readily available. The only issue is that they are quite short and will require height and wiring adapters.

What spacers are required for these when using the stock 2001 Gen III intake and rails? Do the o-rings need to be changed? Any other difficulties to watch out for?


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Old Mar 25, 2014 | 03:03 PM
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i got 2013 GT500 injectors for my setup. Under 200 shipped brand new from ford and they are rated at 55lbs per min and are a direct plug and play
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Old Mar 25, 2014 | 03:11 PM
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Originally Posted by timmay208
i got 2013 GT500 injectors for my setup. Under 200 shipped brand new from ford and they are rated at 55lbs per min and are a direct plug and play
Interesting! Looks like they are rated at 66lb at 58psi and are 60mm in height, same as the LS1.

Where did you get the data for these? I'm interested in having reliable data as I am having a reliable injector.
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Old Mar 25, 2014 | 03:48 PM
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what data do you need? I havent installed them yet as im still getting all my parts together
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Old Mar 25, 2014 | 04:15 PM
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Originally Posted by timmay208
what data do you need? I havent installed them yet as im still getting all my parts together
You would need to know the injector voltage correction, min pulse width, small pulse adjust, and voltage offset. Perhaps you can use stock values but this data defines the physical characteristics of the injectors and should be specific to the injector, and the rest of the tune depends on reliable data. That's one reason I was drawn to the LS9 injectors is because reliable data from GM is readily available. My tuner and I suspect the data with my current injectors is off, making them a pain to tune.
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Old Mar 25, 2014 | 04:57 PM
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no clue, never used any of that before and never had had issues. Generally if you know the size of them its good to go , but also the last few cars ive had were on a EMS like AEM

no clue where to get any of that info
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Old Mar 25, 2014 | 06:13 PM
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You might be able to post a thread on the Mustang boards to see if someone can post GT500 injector information. Everything should match except the flow since that will change from 43 to 58 psi.
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Old Mar 25, 2014 | 06:34 PM
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yea i thought about that, i know there are plenty of LSX guys that use them to
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Old Mar 25, 2014 | 09:10 PM
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Greg banish has the data for the mustang injectors on his DVD's
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Old Mar 25, 2014 | 10:36 PM
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Originally Posted by oakley6575
Greg banish has the data for the mustang injectors on his DVD's
for all years? I know the 11-12 are different than the 13's

found his website, but looks like he has several DVDs any idea which one has that info. Sent them a email to see what i can dig up

id buy the dvd but rather not spent 250.00 to find out

Last edited by timmay208; Mar 25, 2014 at 10:53 PM.
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