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Thread: Anyone done a Corvette 2000 OS to 2002 OS change?

  1. #1
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    Default Anyone done a Corvette 2000 OS to 2002 OS change?

    Hi all,

    I want to change my stock A4 Corvette's 2000 OS to a 2002 OS (09381344 to 1221256).
    Has anybody done that and could share the migrated OS with me. I could do it myself but saving time and knowing that the new OS works good would be nice.
    I've seen a Camaro OS from 1999 to 2002 but I'm sure it will not fit the Corvette requirements.

    Thanks,
    Alex

  2. #2
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    If you do a search, you'll find a number of threads on 00 to 02 OS swaps. It seems to be a popular one. IIRC, people have used the 99 to 02 migration on 00 cars and it works fine - a search could confirm that. The OS #'s for Corvette and f-bodies are the same for those years, so that shouldn't be a problem.

    If you get someone else's migrated tune, you're going to have to sort through all the particular tuning that person has done. You'd be better off starting with starting with your tune and swapping tables from a stock 12212156 Corvette tune from holdencrazy.com, IMO.

  3. #3
    Lifetime Member Beer99C5's Avatar
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    I have done the 99 to 02 swap with my A-4 C-5
    1999 C5 A-4 Convertible
    1 of 245 Nassua Blue 99 Vert's, Blackwing, LS6 Intake, 42 # Injectors, Two Stage Nitrous System- Dry and a Wet Plate, EFI Live Scan/Tune V2, 1999 PCM with 2002 COS 5 OS Custom Nitrous Panel.


    Maine USA



  4. #4
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    Thanks for the info, I'm looking for a stock tune that was changed to the new OS.
    I will check into the OS on the Holden site.
    Would anyone provide me his stock 00 Corvette tune incorporated into a 02 OS?
    Since many tables have different parameters and values where I'm not sure how to correctly switch them from the one OS to the other I would like to start working with a known working tune.

    Thanks
    Alex

  5. #5
    Lifetime Member Beer99C5's Avatar
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    Heres mine 99 to 02 A-4, had a little help from TAQuickness on the first pass through the tables. Then did a table for table (where able) cut and paste.
    Attached Files Attached Files
    1999 C5 A-4 Convertible
    1 of 245 Nassua Blue 99 Vert's, Blackwing, LS6 Intake, 42 # Injectors, Two Stage Nitrous System- Dry and a Wet Plate, EFI Live Scan/Tune V2, 1999 PCM with 2002 COS 5 OS Custom Nitrous Panel.


    Maine USA



  6. #6
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    Hey beer,

    wanted to say thanks for the file. I made the switch to the 02 OS on the weekend and everything works just fine. Your file saved me alot of time! Still had to change a couple of tables but most of them were as in my 00 tune.

    Regards,
    Alex

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