Thread: Injectors

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  1. #1 Injectors 
    SE Level Member Acdc88's Avatar
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    I have a set of 42# injectors that I will be installing when I make the N/A to Turbo jump. I also have a new set of N/A injectors. now my stock injectors are beginning to act up. Can I install the 42# injectors, and adjust fuel pressure to compensate for the increased pressure, or should I install the stock replacements I have and just wait for the turbo to go 42#?

    i will also be installing a front plog and 1.84 yt roller rockers later in the month, so could I benefit from slightly increased injector flow over stock at that point? (Hv3 and u bend delete installed)
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  2. #2 Re: Injectors 
    GXP Level Member 91parkave's Avatar
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    Your adjusting flow rate in lb/hr not adjusting your fuel pressure. Input the correct injector data and it will drive just like stock
    06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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  3. #3 Re: Injectors 
    GrandPrix Junkie SgtMarshal's Avatar
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    The injector flow rate is the only adjustment needed. With my limited tuning education, as far as I know there is no way to increase the fuel pressure
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