Do not use the legacy pSX emulator. For the "top" build, you need DuckStation (libretro core or standalone). DuckStation supports the PGXP, which fixes the vertex wobbling that plagued PS1 3D games.
It was a sunny day in Tokyo when Takashi, a young and ambitious racing driver, decided to take his skills to the digital world. He had always been fascinated by the speed and agility of real-life racing, but it wasn't until he got his hands on Gran Turismo 2 for PC that he discovered his true calling. gran turismo 2 pc gameexe top
Since an official executable doesn't exist, you must use an emulator to run the original PlayStation disc images (.iso or .bin/.cue files). Do not use the legacy pSX emulator
: This is the most modern and feature-rich emulator for PS1 titles. It was a sunny day in Tokyo when