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4 factory injectors on secondary drivers?

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Old Sep 28, 2021 | 08:26 PM
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Arrogant Wankeler
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4 factory injectors on secondary drivers?

Are the secondary injector drivers in the PFC capable of driving two factory injectors in parallel without cooking?

Trying to come up with a sloppy fuel supply increase using factory gear as machining stuff isn't an issue.
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Old Sep 29, 2021 | 08:38 AM
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From: https://www2.mazda.com/en/100th/
running 6 injectors is an old school mod, but it'll do it. i think you do need to keep the current around 1 Amp, so high impedance injectors are needed.

12v/15ohms = 0.8 Amps
12v/6 ohms = 2 Amps....
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Old Sep 29, 2021 | 09:10 PM
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Arrogant Wankeler
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Yeah I'm thinking of pairing a set of factory primaries with high flowed secondaries.
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Old Sep 30, 2021 | 09:24 AM
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From: https://www2.mazda.com/en/100th/
Originally Posted by Slides
Yeah I'm thinking of pairing a set of factory primaries with high flowed secondaries.


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Old Sep 30, 2021 | 09:37 PM
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Arrogant Wankeler
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Was going to try more ghetto than that, mill/drill into the underside of the UIM and fit the spare primary fuel rail. If going to that effort I'll just buy ID1700 & 2600.
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Old Oct 1, 2021 | 08:28 AM
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From: https://www2.mazda.com/en/100th/
Originally Posted by Slides
Was going to try more ghetto than that, mill/drill into the underside of the UIM and fit the spare primary fuel rail. If going to that effort I'll just buy ID1700 & 2600.
i've seen that too, it works fine, the M2 (a t00ner here) used to put the extra primary on top, i'm not sure where it is easiest

actually if i did a t2 engine i'd do the extra injectors, it looks cool.

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Old Oct 1, 2021 | 10:07 AM
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Looks cool, plumbs easy and provides best charge density at WOT without losing staged throttles to an IDA or holley pattern manifold. Not bad.
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