- Miscellaneous
Prevented the modified game from loading incompatible save files by using a separate save file to the original game, also allowing vanilla and plus to coexist on one memory card.
Added a simple diagnostic page accessible from Game Status that lists the game and mod version.
Fixed the random track selection process failing to ever pick Apricot Hill (manufacturer events, Event Synth, etc.).
Fixed the track maps for Tahiti Road and Tahiti Dirt Route 3 missing an outline in certain configurations.
Fixed the pre-race car setup menus not showing the Turbo section for cars with a stock turbo but no upgrades, which now allows intercooler parts to be unequipped from the Vector W8.
Fixed all rotary engines in cars being labelled as 'Rotar2' / 'Rotar3' instead of '2-Rotor' / '3-Rotor'.
Retranslated the 'Already' and 'Nothing' tuning shop text in GT mode in several languages as 'Purchased' and 'Not available', for accuracy and to remove invalid characters (thanks to Submaniac, SuperFrizzio, and Paiky).
Retranslated the 'Free' event power restriction text in GT mode in several languages as 'Any' for accuracy, and remove abbreviations (thanks to Submaniac, SuperFrizzio, and Paiky).
Fixed license tests incorrectly listing the launch speed as mph instead of km/h when set to UK English (PAL only).
Fixed the wheel shop displaying a nonsensical error message in US English when trying to enter with a banned car (US only).
Fixed the error messages for the N/A and Turbo event restrictions being swapped (US / PAL only).
Fixed the RX-7 A spec LM logo showing up when invalid car data is loaded by players modifying the game.
- Audio
Mercury Cougar '99: Replaced the Viper V10 engine sound with that of the Ford version of the Cougar.
- Colours
Acura NSX '91: Corrected the available paint colours, as they had been copied from the '97.
BMW 320Ci: Fixed missing name for Topaz Blue (JP only).
BMW 323Ci: Fixed missing name for Topaz Blue (JP only).
BMW 328Ci: Fixed missing name for Topaz Blue (JP only).
Eunos Roadster V-Special '90: Corrected the Brilliant Black thumbnail to match the other Roadsters.
Mazda Roadster 1.8 VS '98: Corrected the Brilliant Black thumbnail to match the other Roadsters.
- Models / Textures
Acura NSX '91: Corrected the wheels, as they had been copied from the '97, and corrected the taillights to all-red Acura spec instead of Honda.
Acura NSX '93 RM: Fixed asymmetrical and misaligned roof and side windows by comparing to GT1's models.
Acura NSX '97: Corrected the taillights to all-red Acura spec instead of Honda.
Audi A4: Fixed a transparent gap in the side windows.
Audi TT: Fixed transparent gap in the headlights.
Audi TT RM: Fixed transparent gap in the headlights.
Audi TT LM Edition: Fixed transparent gap in the headlights.
Cusco Impreza, night: Removed the road car headlights and replaced them with a lit version of the accurate spotlights used on the day model.
Daishin Silvia, night: Removed the road car headlights and replaced them with a lit version of the accurate spotlights used on the day model.
Dodge Challenger R/T: Removed the 1970 T/A side exhausts and replaced them with R/T rear exhausts.
Honda NSX '90 RM: Fixed asymmetrical and misaligned roof and side windows by comparing to GT1's models.
Honda NSX Type R '92 RM: Fixed asymmetrical and misaligned roof and side windows by comparing to GT1's models.
Mercedes-Benz E 55 AMG: Fixed the exhaust being painted body colour due to a masking error during GT2 development.
Mercedes-Benz E 55 AMG, night: Reduced warping and stretching of the headlight textures.
Mitsubishi Legnum Super VR-4: Fixed missing exhaust tip.
Mitsubishi Pajero Mini '97: Fixed a hole and warped textures on the bonnet.
Momo Corse MR2, night: Removed the road car popup headlights and replaced them with the cut-out spotlights that the real car ran in certain events of the 1999 JGTC season.
Nissan 200SX '95: Fixed the car using the front end from a Japanese-market Silvia Aero instead of the European bumper and foglights.
Nissan Silvia K's Aero SE: Fixed gap in the front wings by moving the mirror textures, and fixed the mirrors being asymmetrical and not matching the normal K's Aero model.
Nissan Skyline GT-R V spec '93: Added missing V spec badge.
Nissan Skyline GT-R V spec II '94: Added missing V spec II badge.
Opel Calibra Touring Car, night: Fixed misaligned headlight textures that were both clipped off and left a gap.
Raybrig NSX: Fixed headlights being illuminated during the day, and LOD2 headlights not being illuminated at night.
Renault Megane, night: Fixed LOD1 using a misaligned Laguna front bumper.
Ruf BTR: Fixed badging from CRT to BTR.
Suzuki Wagon R Column FT '97, night: Fixed paint colour on the headlights.
Taeivon FTO, night: Removed the road car headlights and replaced them with a lit version of the accurate spotlights used on the day model.
Toyota Celica XX: Fixed major texture warping and asymmetry throughout, including stretched and mirrored badging and half-invisible mirrors.
Toyota Starlet S '78 RM: Removed red pixels in the logos on the bonnet.
Toyota Starlet Turbo S '85, night: Fixed the top edge of the bumper trim vanishing at night.
Vauxhall Calibra Touring Car, night: Fixed misaligned headlight textures that were both clipped off and left a gap.
Venturi Atlantique 300 Bi-Turbo: Fixed the lights behaving as if they were illuminated in shadows during the day.
Weds Sport Celica, night: Removed the road car headlights and replaced them with a lit version of the accurate spotlights used on the day model.
Xanavi Silvia, night: Removed the road car headlights and replaced them with a lit version of the accurate spotlights used on the day model.
- Text
BMW 320Ci: Fixed 'ci' capitalisation error (JP / US only).
BMW 323Ci: Fixed 'ci' capitalisation error (JP / US only).
BMW 328Ci: Fixed 'ci' capitalisation error (JP / US only).
BMW 840Ci: Fixed 'ci' capitalisation error (JP / US only).
Ford RS200: Removed 'Rally Car' from the dealership and logo, to match the revised name.
Honda S2000 RM 2: Fixed a tiny difference in the logo compared to the other RM (US only).
Jaguar XJ220: Removed 'GT Race Car' from the logo, to match the revised name.
Jaguar XJR: Removed 'Vehicle' from the dealership and logo, to match the revised name.
Jaguar XJR-15: Removed 'GT Race Car' from the logo, to match the revised name.
Lotus Elan 1.6 '90: Removed 'S2' from the dealership, and reverted to a more accurate logo used in GT2 demos.
Mercedes-Benz CLK 200 Sport: Fixed 'Sports' typo (JP / US only).
Mercedes-Benz CLK 320 Sport: Fixed 'Sports' typo (JP / US only).
Mitsubishi Minica Pj: Reverted change to capitalisation, as it's accurate to the real branding.
Nismo 400R Prototype: Removed 'Preceiding Model' from the logo, to match the revised name.
Nissan Skyline Silhouette Formula: Fixed 'Foumula' spelling error in the logo, to match the revised name.
Suzuki Alto Works Sports Limited: Fixed a missing space in the replay name (US only).
Toyota Starlet S '78: Removed '3 Door Turbo S' from the logo, to match the revised name.
Vector W8: Fixed 'WIegert' capitalisation error in the logo, by reverting to the version used in GT2 demos.
Venturi 400GT: Fixed 'Atlantiqe' typo in the dealership.
Venturi Atlantique 300 Bi-Turbo: Fixed 'Atlantiqe' typo in the dealership.
- Upgrades / Physics
Acura NSX '91: Corrected the transmission, weight and tyre sizes that had been copied from the '97, including converting from the '97 6-speed manual to the intended 4-speed auto.
ARTA Zexel Skyline '99: Corrected all GT500 Skylines from AWD to RWD using the Pennzoil car setup from GT3, and fixed displacement and dimensions stats.
Aston Martin DB7: Corrected the final drive ratio to 3.545:1, increasing top speed dramatically.
Aston Martin DB7 Volante: Corrected the final drive ratio to 3.545:1, increasing top speed dramatically.
BMW 840Ci: Fixed 2nd gear ratio, changed to slightly more accurate ratios throughout, and corrected the displayed power.
Calsonic Skyline '99: Corrected all GT500 Skylines from AWD to RWD using the Pennzoil car setup from GT3, and fixed displacement and dimensions stats.
Daihatsu Mira TR: Fixed dealership stats being swapped with the TX.
Daihatsu Mira TX: Corrected from using a copy of the TR turbo engine to a TX N/A engine, and fixed dealership stats being swapped with the TR.
Dodge Challenger R/T: Corrected the year from '72 to '70, replaced the 290bhp 1970 T/A engine with a 375bhp 440 4bbl from GT4's Charger, fixed the inaccurate gear ratios, and increased the price.
Honda NSX: Fixed an incorrect power multiplier causing the base car to make more power than the Type S.
Honda NSX '90: Corrected the tyre sizes, as they had been copied from the '97.
Kure R33 '97: Corrected all GT500 Skylines from AWD to RWD using the Pennzoil car setup from GT3, and fixed displacement and dimensions stats.
Momo Corse MR2: Corrected the weight from the road car's value to the approximate minimum race weight under the JGTC rules.
Nissan 200SX '95: Fixed the engine, transmission and weight using a copy of the physics from the Silvia K's instead of accurate 200SX values.
Nissan 200SX '98: Fixed the engine, transmission and weight using a copy of the physics from the Silvia K's instead of accurate 200SX values.
Nissan Skyline GT-R V spec '95: Fixed a spike on the torque curve caused by the RPM dropping instead of increasing.
Nissan Skyline GT-R '97: Fixed a spike on the torque curve caused by the RPM dropping instead of increasing.
Nissan Skyline GT-R V spec '97: Fixed a spike on the torque curve caused by the RPM dropping instead of increasing.
Nissan Skyline Silhouette Formula: Corrected wheel sizes, number of gears, weight, dimensions, and dealership stats.
Peugeot 406: Fixed the redline being the same as the rev limit, which caused the game to give the car an extra 1000rpm and 6hp more than was intended.
Pennzoil Nismo GT-R '99: Corrected all GT500 Skylines from AWD to RWD using the Pennzoil car setup from GT3, and fixed displacement and dimensions stats.
Plymouth 'Cuda: Corrected the year from '70 to '72, replaced the 290bhp 1970 AAR engine with a 240bhp 1972 340, and replaced the Ford transmission with the correct Plymouth ratios.
Ruf BTR Type I: Fixed unusually powerful turbo kit upgrade.
Ruf BTR Type II: Fixed displayed engine stats using a copy of the other BTR instead of a more accurate 400hp.
Subaru Impreza WRX '97: Corrected peak torque value due to the engine being a copy of the '98, and fixed an incorrect power multiplier causing the car to make less power than intended.
Subaru Impreza WRX Wagon '97: Fixed torque curve being offset upwards by 500rpm, causing the car to make more power and less torque than intended.
Subaru Impreza WRX '98: Fixed an incorrect power multiplier causing the car to make less power than intended.
Subaru Impreza WRX Wagon '98: Fixed torque curve being offset upwards by 500rpm, causing the car to make more power and less torque than intended.
Subaru Legacy Touring Sports RS '93: Fixed torque curve being offset upwards by 500rpm, causing the car to make more power and less torque than intended.
Subaru Legacy Touring Wagon GT '93: Fixed torque curve being offset upwards by 500rpm, causing the car to make more power and less torque than intended.
Toyota Corolla Levin BZR '98: Fixed torque curve being offset upwards by 500rpm, causing the car to make more power and less torque than intended (also broken in GT4 through GT6).
Toyota Sprinter Trueno BZR '98: Fixed torque curve being offset upwards by 500rpm, causing the car to make more power and less torque than intended (also broken in GT4 through GT6).
Unisia JECS Skyline '99: Corrected all GT500 Skylines from AWD to RWD using the Pennzoil car setup from GT3, and fixed displacement and dimensions stats.
Venturi 400GT: Fixed missing stock turbo in Arcade mode to match GT mode.
Volkswagen Golf V6: Replaced the engine data from Forza Motorsport 4 with more accurate data from GT4.
Weds Sport Celica: Corrected the road car weight and turbo engine to the much lighter race weight and N/A engine, accurate to the stats quoted by the JGTC plus a 15% power multiplier for balance with the other GT300 cars.
Zexel Skyline '97: Corrected all GT500 Skylines from AWD to RWD using the Pennzoil car setup from GT3, and fixed displacement and dimensions stats.
- Events
Manufacturer - Nissan Silvia / 180SX / 200SX: The Sileighty, Nismo 270R, and HKS Drag 180SX can now be entered.
Seattle Endurance: Removed Plymouth 'Cuda opponent as it's now too slow to compete, even fully tuned.
US Nationals race 3: Replaced Dodge Challenger R/T opponent with a Plymouth 'Cuda, as the Challenger is now too fast for the event.
- Menus
Event Synthesizer: Added MMRivit's fix for the missing completion trophies, as the four modes are counted for 100% completion.
Honda dealership: Fixed the Accord Wagon '98 using a preview picture from the '96 model (US only).
Manufacturer - BMW 3-Series: Added MMRivit's fix for the missing top banner.
Special Events: Fixed the Muscle Car Cup showing the incorrect license requirements (JP only).