DIY_EFI Digest          Monday, July 19 1999          Volume 04 : Number 422



In this issue:

	ECU'S

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Date: Mon, 19 Jul 1999 07:15:04 -0700
From: Eric Aos <EOA@xxx.com>
Subject: ECU'S

The only thing really stopping this is that the data is all stored in an
EPROM. As soon as someone has a working RAM replacement, it'll be easy.
I finished wiring mine up last night. Dual Port Ram chip, and a PIC to
control it. I hope to test it by this weekend.

> 
> I've got a real dumb question on ecu's. Why can't a gm ecu such as a 
> 16159278, P4 TPI, be reprogrammed with a haltech or other 
> aftermarket program 
> so that you can have real time tuning capability? Is't the 
> hardware already 
> there? Can you dump the factory programing and reinstall? Would an 
> aftermarket program work? Can't a serial port be added for 
> the laptop? Would 
> the aldl connector work as the serial port? Could this be 
> economically 
> feasable?  There are alot of gm ecu's out there sure is a 
> shame to let them 
> go to waste. What are the most significant problems to 
> accomplish this goal? 
> Would it work?
> 
> Wayne

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End of DIY_EFI Digest V4 #422
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