Even then, server-side checks often reset illegal edits upon connecting online.
If you landed on this article searching for you likely want one thing: infinite credits. Unfortunately, that tool does not exist and likely never will. gran turismo 7 save wizard
Direct credit modification (setting to 999,999,999 Cr) does work because credits are verified server-side. However, some users found workarounds: Even then, server-side checks often reset illegal edits