Forced Induction Custom FI Setup Questions

Run high impedance inj in a low system

Old 04-23-2016, 04:17 PM
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Default Run high impedance inj in a low system

Hey guys.

im in the process of boosting my non-flex 2000 2.2 s10.

My truck has low impedance injectors from the factory and id like to get high impedance ones... mainly because of cost.

I know i'll need to get the pcm tuned either way but, can I use high impedance injectors?

can they be used before the tune? aka at low boost before the tune

only after the tune?

absolutely any info you can give me about fuel management is greatly appreciated!


I dont really want to run an fmu. lol
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Old 04-24-2016, 02:40 AM
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I believe that You will need to remove factory resistor box to use high impedance injectors

If you will put bigger(more cc) injectors before tune, then your truck will run too rich if it will run at all.
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Old 04-24-2016, 10:35 AM
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Cool. after some searching on that resistor box others in a DSM community have mentioned cutting the plug off the box and just soldering all the wires together

ill need to look into this more but thanks for pointing me in the ,hopefully, right direction
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