3d table display program? / PROM relabeling?!

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If the question was does gm recycle chip by programming, the answer is yes, 
if at dealer or warehouse, I don't know.
Grumpy


>On Wed, Jun 30, 1999 at 01:39:10PM -0500, Roger Heflin wrote:
>> > > > The calib is for a 93 vette with L05 motor, scan id 9011, chip p/n 
16209008,
>> > > > ECM 16196394
>> > The LT5 was the 32 valve engine that Lotus designed for GM, and yes, the 
>> > 16209008 p/n is from a 93 and later LT5.  Very unique engine.
>> > 
>> Mecury Marine built the engine for GM.
>
>Yep.  And as Bruce pointed out, it is 5.7L.
>I believe the L05 mentioned above was a typo somewhere along the line.
>Believe me, this prom wouldn't be used in any other application except 
>the LT5.
>
>> Considering that they could have reprogrammed that chip several times,
>> pretty much anything that used the same size of prom, I would guess
>> probably not even the same computer.  How big of prom is it?
>
>It's a 32kbitx8 made by Fairchild.
>
>The thing is, I'm pretty sure the label hadn't been removed - I'd be
>willing to wager a small bet on that.  So, that means that the
>broadcast code 7196, p/n 16144895 label was either put on by mistake
>by some human, or someone hit the wrong "go" button on the label machine.
>In either case, they discovered the problem before it got out of the
>door, so they simply put two more labels over the incorrect one.
>
>> The computer I am working on is the one in a 92-93 LT1 f/y body car,
>> and has numbers 16159278, and has a 32KB prom.
>
>Yep.  The label on the bottom was for a car/ECM from before 1992, but
>the label was put on that chip sometime in 1997 or 1998.  I know the
>label was put on after Jun 97, because that is the date code printed on
>the top of the chip (9720).  So, what car would GM have made from
>1991 through 1997, without any EPROM modifications?  That's the real
>puzzle, in my mind.
>
>Have fun,
>
>   Marc
>
>-- 
>  Marc Randolph     -    mrand at pobox.com    -     PGP keyID: 0x4C95994D
>