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High or low imp. injectors? Aftermarket pcm?

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Old 12-10-2011, 03:54 PM
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Default High or low imp. injectors? Aftermarket pcm?

Now that I know how big of injectors I need for my e85 swap. 90lb or larger. I'm lost as to what else I will need. So far from what I've read high imp is for stock ecu and low is for an aftermarket.
If I stay with high imp. will I need a converter box? Or any adapters?
And lastly should I look into an aftermarket pcm? and why?

Nitrous H/C e85 goal is 700whp on spray. (dry shot) hence the big injectors.
Old 12-10-2011, 04:59 PM
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Hi imp work with stock ecm. FIC has some for great prices.

Low imp work with a driver box such as a Acceronics Versafueler. They sell packages too.

Ive used the Delphi 95lb low imp with the Versafueler, worked great and total cost was around $650. I just picked up a new set of 95's and a used VF for $450 though.
Old 12-10-2011, 05:09 PM
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So if I stick with my stock pcm the high imp injectors will be fine? I won't need anything but the injectors unless I change stuff?
Old 12-14-2011, 11:33 PM
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Originally Posted by MYSLOWS6
So if I stick with my stock pcm the high imp injectors will be fine? I won't need anything but the injectors unless I change stuff?
Yes, your PCM was designed to run high impedance injectors. If that is what you have, it will work fine and not hurt anything.

If you buy LOW impedance injectors, that is when you will need a driver box.



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