Jarrid Gross (Yorba Linda, CA) wrote:
>
> ----------
> From: Paul Heuer
>
> >BTW - he has it running quite well at present with a GM J-car ECU.
>
> Just out of curiosity, since its a J-car ECU, is he running all 4 injectors
> in parallel (firing all 4 simultaneously)?
>
Yes, I believe so. It is the digital system (GM C3 I think).
> If so, and if and when he puts a proper sequencial or phase sequencial
> ECU on it, the engine will run really well since the fuel pulse width
> will be increased by 4X.
>
Is the Holley sequential??? I thought it was more of an electronic carb
set-up. He wants to use the Holley ECU with port injection and a
throttle body, in closed loop. I'm not too familiar with the ProJection
system though. I realise you rolled your own Jarrid, but what would you
recommend as a "proper sequencial or phase sequencial ECU" that is
available off the shelf?
As it is he has the "1&2bbl" (aka 1 or 2 injectors) ECU driving four
injectors so it's delivering more fuel than the ECU thinks it is.
Cheers,
Paul.
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