FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
The G80 code for the locking rear is a Eaton product. I think your cheapest upgrade would be to get one and swap it in (entire rear) It is locking diff which is better than a limited slip rear.
