New to list, have a question.

Bruce Plecan nacelp at bright.net
Fri Mar 5 18:04:57 GMT 1999


-----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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