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Here is what I have at1/at efi live pro sw. I bought the GM Enhanced perameters . Is this a plug and play arrangement or is this VIN specific.

If I get a different Vette, will I be able to use...

Sent you an e mail hope you get it. I think my original got spammed.

Thanks, Mike

I have been gone for a while with a busted laptop but it is "working" again.
I have an AT1 connector and 6.4.1.

Can I upgrade still to the latest with this connector?
Is the upgrade free?...