GM ECM Flash programmer

John Hess johnhess at cris.com
Tue May 12 16:05:20 GMT 1998


If you only want to use it on a single engine applicaton, TTS (The Turbo
Shop) sells a version of Master Tune for a single application for $295.00.

At 10:26 AM 5/12/98 -0400, you wrote:
>Jody,
>	Thanks for the pointer. I'm not in the business, just a
>weekend tinkerer. $3700 is not in my budget. I only paid
>$2500 for my 96 camaro engine & trans that I'm putting in my
>Street rod!!!
>
>	Does anyone know of a more reasonably priced solution for
>the individual. Hypertech is the only solution I've found
>that could be in my budget. There are a couple of nice
>shareware Eprom editors out there now. It's time to move on
>to the EEprom systems. I'm willing to try and come up with a
>simple piece of software to read and write the EEprom, but I
>haven't found any documents about the protocol GM used. 
>
>	If we could copy the EEprom to a bin, we might be able to
>start disassembling the LT1 programming. Just need the Peek
>and Poke protocol to get started. I have the ECM.
>
>		Ken
> 
>
>Jody Shapiro wrote:
>> 
>> On Sat, 9 May 1998 kenkelly at lucent.com wrote:
>> 
>> > 1) Has anyone found a shareware or reasonably priced software package to
>> > reprogram the 94 & up GM EEProm ECM's.
>> 
>> Steve Cole of The Turbo Shop sells his Mastertune software that will do
>> reprograms of those PCM's.  Not sure if you'll need the Pro version,
>> though ($3700)...  :/
>> 
>> -Jody
>> 
>> --
>> 97 Blue Vortech Z28 -  Best ET: 13.100  Best MPH: 111.24 (Goodyear RS-A's)
>> 361 rear-wheel hp @ 6000rpm,  359 rear-wheel ft-lbs @ 4400rpm
>> http://www.bit-net.com/~jshapiro/z28/
>
>
>



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