New to list, have a question.

Ward Spoonemore spoonie at deltanet.com
Fri Mar 5 22:17:31 GMT 1999


Bruce, exllent idea, a GM 1227747 would be perferct, it well documented and
cheep.
Ward.

> -----Original Message-----
> From: owner-diy_efi at efi332.eng.ohio-state.edu
> [mailto:owner-diy_efi at efi332.eng.ohio-state.edu]On Behalf Of Bruce
> Plecan
> Sent: Friday, March 05, 1999 10:08 AM
> To: diy_efi at efi332.eng.ohio-state.edu
> Subject: Re: New to list, have a question.
>
>
>
> -----Original Message-----
> From: esc <esc at firstnethou.com>
> To: DIY_EFI at efi332.eng.ohio-state.edu <DIY_EFI at efi332.eng.ohio-state.edu>
> Date: Friday, March 05, 1999 12:29 PM
> Subject: New to list, have a question.
>
> Welcome aboard.
> How about using a oem ecm to run the injectors?.
> If you go to the home page, and oem systems, and parts, there
> might be some
> info to help.
> Also, going through the archives, and searching would help.
> Bruce
>
>
> >Hi everyone,
> >I'm Eric Comstock and I just joined this list.
> >
> >I thought I would start by asking a question.  First my situation.
> >
> >I am working on a Chevy 350 using a Holley Projection4 TBI.
> This is one of
> >the origional analog units that used the MSD controller.  I also have the
> >closed loop kit (O2 only) installed. So it gets inputs from the throttle
> >position sensor, the distributor(RPM), the starter, coolent temperature,
> >and the O2 sensor.  I installed a shut-off switch on the Closed loop kit,
> >so that baseline adjustments can be easily made.
> >
> >The closed loop kit intercepts the TPS voltage and adjusts it in order to
> >fool the computer into adjusting the fuel flow.
> >
> >OK, everything worked fairly well until I installed a RAM-AIR
> system on the
> >car.  Now the difference between high speed on a cold night and
> low speeds
> >on a hot day is too much for the system to cope with.
> >
> >I'm really not sure what to do about it.  The only thing that I have been
> >able to come up with so far is to build my own computer to run things.  I
> >am an experienced programmer, but that project would be a little
> outside of
> >my realm of experience.
> >
> >Does anyone have any ideas or suggestions?
> >
> >Should I just go buy the new Digital Projection system and hope it will
> >work better?
> >
> >Thanks
> >
> >
> >Eric Comstock
> >esc at firstnethou.com
> >
>




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