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Z06 chip in ZR1?

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Old 05-22-2018, 11:55 PM
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Weeber
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Default Z06 chip in ZR1?

I just bought a nice 1990 ZR1 and was curious to see if it had a AYBGK chip. I opened the ECM and saw this:



It says Z06 on it and Jerry Fons.

Can anyone shed some light on this for me?

On a a cool side note, the owners manual seems to have been signed by someone:

Old 05-23-2018, 09:11 AM
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Diesel_Jerry
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From his Wiki.
Dave McLellan (born in Munising, Michigan) was an automotive engineer for General Motors, most notably the chief engineer for the Corvette from 1975 until his retirement in 1992.

McLellan joined General Motors in 1959 after graduation from Wayne State University.

He was preceded as Corvette chief engineer by Zora Arkus-Duntov, who he worked briefly with prior to Zora's retirement. He is responsible for creating the C4 Corvette.
Old 05-23-2018, 09:20 AM
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WVZR-1
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90Z inverted is Z06
Old 05-23-2018, 09:50 AM
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Originally Posted by Diesel_Jerry
From his Wiki.
Dave McLellan (born in Munising, Michigan) was an automotive engineer for General Motors, most notably the chief engineer for the Corvette from 1975 until his retirement in 1992.

McLellan joined General Motors in 1959 after graduation from Wayne State University.

He was preceded as Corvette chief engineer by Zora Arkus-Duntov, who he worked briefly with prior to Zora's retirement. He is responsible for creating the C4 Corvette.
I know who he is. I just thought its pretty cool he signed it!
Old 05-23-2018, 09:54 AM
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Originally Posted by WVZR-1
90Z inverted is Z06
Duh! Of course. I wonder if there' a way to find out what programming there is on it. For example the car does not have the skip shift and no 1 to 4 light on the dash. Isn't that something that would be on a replacement chip?
Old 05-23-2018, 10:11 AM
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biggiefl
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Skip shift can be deleted by an aftermarket harness plug. I was going to put one in my 04 GTO but never got around to it.
Old 05-23-2018, 10:41 AM
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Originally Posted by biggiefl
Skip shift can be deleted by an aftermarket harness plug. I was going to put one in my 04 GTO but never got around to it.
True, but my understanding is that the plug disables the feature but still doesn't disable the dash light.
Old 05-23-2018, 12:22 PM
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Paul Workman
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Good question. The chip could be reprogrammed w/o the label being changed???

Do the secondaries operate like a ZR-1? (There was no C4 Z06, of course, and the C5 and C6Z is a different computer entirely...so..
Old 05-23-2018, 02:52 PM
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-=Jeff=-
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you can disable the light/CAGS in the Chip as well.. but the connector was the easy solution
Old 05-23-2018, 04:16 PM
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I am curious as to whay has been done with the programming as well. I have been working on my particular program to fine tune it to my car.
if can take a look at the program and tell you what has been modified/changed from the stock data. Just get it to me, I'll read it and send it back.
John
Old 05-23-2018, 04:17 PM
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-=Jeff=-
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been a while.. I would need to look
Old 05-23-2018, 04:38 PM
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Originally Posted by Paul Workman
Good question. The chip could be reprogrammed w/o the label being changed???

Do the secondaries operate like a ZR-1? (There was no C4 Z06, of course, and the C5 and C6Z is a different computer entirely...so..
Yep, they work as intended. My guess is some dude named Jerry Fons got a new chip on 8/10/1995. Maybe it' a AYBGK under the 90Z sticker.
​​​
Old 05-23-2018, 07:30 PM
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Originally Posted by Paul Workman
Good question. The chip could be reprogrammed w/o the label being changed???

Do the secondaries operate like a ZR-1? (There was no C4 Z06, of course, and the C5 and C6Z is a different computer entirely...so..
Yep, they operate as they should. I figure some dude named Jerry Fons put in a new chip 08/10/1995. I wonder if it is a AYBGK chip with a 90Z sticker over it?
Old 05-23-2018, 08:33 PM
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Dominic Sorresso
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Originally Posted by WVZR-1
90Z inverted is Z06

Bravo. Well done.

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