how many hp can 440 injectors hold???
03-28-2007, 02:49 PM
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how many hp can 440 injectors hold???
I talked to a tuner today and he told me that if I was going to be running anything over 250 hp my 440's would not keep up??? This just doesn't sound right 
Thoughts?
Thoughts?
03-28-2007, 02:56 PM
#2
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Re: how many hp can 440 injectors hold??? (broadheadjohn)
I've maxed them out between 305-317whp. I typically cut them out at 300whp as you don't want to run the injector past 80% duty cycle. Fuel pressure obviously plays a part in this as well... but rule of thumb is 300whp.
03-28-2007, 02:57 PM
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Re: how many hp can 440 injectors hold??? (broadheadjohn)
03-28-2007, 04:20 PM
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Re: how many hp can 440 injectors hold??? (broadheadjohn)
I've pushed them to 365whp before, but i highly recommend you dont do this 
. The guy I was tuning just told me to keep cranking the fuel pressure up and that he didn't care that the injectors were maxing out 
. The guy I was tuning just told me to keep cranking the fuel pressure up and that he didn't care that the injectors were maxing out
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