[Gmecm] Re: TBI injector schema vs. port injector schema

[Chris Reynolds]

Because you are going to alot of trouble to re-invent the wheel so to speak.
   
  The TBI injectors are driven with Peak and Hold drivers, the 7730 lacks this style of driver.   The 165 MAF TPI ECM was however used with TBI in the 4 banger S10s.

Chris Reynolds <red83brick at yahoo.com> wrote:
  Not easily

I could not see the reason for running a 7730 ECM with TBI. The later model 1993-1996 TBI PCMs are much more advanced than the 1227747 like ECMs. 8192 Baud, transmission controls, PFI compatible, and can even be run with a MAF sensor controlling the fuel. 

William Lucke wrote:
Ok...
Why not?


Will


> From: Chris Reynolds 
> Subject: Re: [Gmecm] TBI injector schema vs. port injector schema
> 
> You won't have enough fuel under load with the PFI scheme running TBI.
> 
> William Lucke wrote: I have been told that at high RPM many port injection programs fire the 
> injectors multiple times per revolution. How compatible would this be 
> with throttle body injection hardware? IE, could a '7730 + $8D combo run 
> TBI, as long as it used an impedance convertor so that the HiZ drivers 
> could handle the LoZ injectors?
> 
> 
> Will
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