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| Codes | 100% | |
| Professional Mode First, choose Arcade Mode. Then highlight the the Hard difficulty level. Hold L1 + R1, and it will change to Professional. | ||
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| Secrets | 100% | |
| Stay In Same Gear When in automatic gear shift mode hold R2 and you will stay in the same gear. (This is useful if you don't want the automatic shifter to change gears up or down while turning.) | ||
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| Bonus tracks | 100% | |
| Complete each tier of tracks in Arcade Mode on any difficulty setting to unlock the next tier of tracks: Tier 1: Super Speedway, Midfield Raceway, Smokey Mountain, Swiss Alps, Trial Mountain, Midfield Raceway II. Tier 2: Smokey Mountain II, Tokyo R246, Grand Valley Speedway, Laguna Seca Raceway, Rome Circuit, Tahiti Circuit. Tier 3: Swiss Alps II, Trial Mountain II, Deep Forest Raceway II, Special Stage Route 5, Seattle Circuit, Test Course. | ||
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| Dodge Viper | 100% | |
| To get a free Dodge Viper team Orca, beat all the courses in the amiture league. | ||
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| Quick HP boost | 100% | |
| For a quick HP boost, immediately after buying a new car in sim mode...take it to the garage and change the oil. should give a some free horsepower! | ||
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| Gran Turismo All-Stars prize (Amateur League) | 100% | |
| Win the Gran Turismo All-Stars in the Amateur League to unlock the Mine's GT-R-N1 V-spec and Raybrig NSX. | ||
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| Professional mode | 100% | |
| Select Arcade Mode, then highlight the "Hard" selection on the difficulty selection screen. Hold L1 + R1 until it changes to "Professional". | ||
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| Toyota Sprinter Truendo GT-Apex | 100% | |
| Complete the Sunday Cup with gold medals in all 3 races to unlock the Toyota Sprinter Truendo GT-Apex. | ||
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| Silver Honda CRX Del Sol SiR | 100% | |
| Win the Beginner Race of NA Sports series to unlock Silver Honda CRX Del Sol SiR. | ||
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| Gran Turismo 3 A-Spec (PS2) hints | 100% | |
| # Professional mode Select arcade mode, then highlight the "Hard" selection on the difficulty selection screen. Hold L1 + R1 until it changes to "Professional". -From: ridebmx01@msn.com # Aston Martin Vanquish Win the British GT Car Cup in the Professional League. # Audi S4 Win the Tourist Trophy in the Amateur League. # Audi TT 1.8T Quattro Win the Tourist Trophy Audi TT Race in the Beginner League. # Celica TRD Sports M Win the FF Challenge in the Amateur League. # Chevrolet Camaro SS Win the Stars and Stripes Grand Championship in the Beginner League. # Citroen Xsara Rally Car Win the Super Special Route 5 Wet in Rally. # Daihatsu Mira TR XX Avanzato R Win the Turbo Race of Turbo Sports in the Beginner League. # F090/S Indy Car Upgrade a Lancer Evo to the max and complete the Super Speed Way Endurance (about one hour and five minutes). You will win the F090/S Indy Car (great speed and handling) in addition to 200,000 credits. # Ford Escort Rally Car Win the Tahiti Maze in Rally. # Ford Focus Rally Car Win the Smokey Mountain Rally in Rally. # Honda Civic SiR-II Win the Type R Meeting in the Beginner League. # Honda CRX Del Sol SiR Win the NA Race of NA Sports in the Beginner League. # Honda NSX Type S Zero Win the MR Challenge in the Amateur League. # Honda NSX Type-R Win the Type R Meeting in the Amateur League. # Impreza Rally Car Win the Tahiti Maze II in Rally. # Mazda 787B Win the Like the Wind in the Professional League. # Mazda Eunos Roadster Win the Clubman Cup in the Beginner League. # Mazda Miata Roadster RS Win the Spider/Roadster Cup in the Beginner League. # Mazda RX8 Win the NA Race of NA Sports in the Amateur League. # Mazda Savanna RX7 Infini III Win the 80's Sports Car Cup in the Beginner League. # Mercedes Benz CLK Touring Car (D2 AMG Mercedes) Win the Legend of Silver Arrow in the Amateur League. # Mercedes SLK 230 Kompressor Win the Legend of Silver Arrow Mercedes Benz in the Beginner League. # Mines Lancer Evolution VI GSR Win the Turbo - Race of Turbo Sports in the Amateur League. # Mini Cooper 1.3i Win the Lightweight K Cup in the Beginner League. # Mitsubishi Lancer Evolution IV GSR Win the Evolution Meeting in the Beginner League. # Mitsubishi Lancer Evolution V GSR Win all Golds in the Beginner League. # Mitsubishi Lancer Evolution VI Rally Car Win the Evolution Meeting in the Amateur League. # Mitsubishi Lancer Evolution VI Rally Car Win the Smokey Mountain II in Rally. # Mitsubishi Lancer Evolution VII GSR Win the 4WD Challenge in the Amateur League. # Mitsubishi Lancer Evolution VII Rally Car Prototype Win the 4WD Challenge in the Professional League. # Mitsubishi Lancer Evolution VII Rally Car Prototype Win the Swiss Alps II in Rally. # Nismo 400R Win the Race of Red Emblem in the Amateur League. # Nismo Skyline GT-R S-tune Win the 80s Sports Car Cup in the Amateur League. # Nissan Silvia K's 1800cc Win the FR Challenge in the Beginner League. # Peugeot 206 Rally Car Win the Swiss Alps in Rally. # Shelby Cobra Win the Spider & Roadster Championship in the Professional League. # Spoon Sports S2000 Race Car Win the Stars & Stripes Grand Championship in the Amateur League. # Subaru Impreza Rally Car Prototype Win the Super Special Route 5 Wet II in Rally. # Subaru Legacy Blitzer B4 Win the Boxer Spirit in the Amateur League. # Suzuki Alto Works Suzuki Sports Limited Win the 4WD Challenge in the Beginner League. # Suzuki Escudo Pikes Peak Version Win all Golds in Rally. # Team ORECA Dodge Viper GTSR Win all Golds in the Amateur League. # Tommy Kaira ZZII Win the MR Challenge in the Professional League. # Toyota Celica Rally Car Win the Tahiti Challenge of Rally in Rally. # Toyota Celica SS-II Win the Altezza Race in the Beginner League. # Toyota Corolla Rally Car Win the Tahiti Challenge of Rally II in Rally. # Toyota MR-S S Edition Win the MR Challenge in the Beginner League. # Toyota Sprinter Trueno GT-Apex (AE-86 Type I) Win the Sunday Cup in the Beginner League. # Toyota Sprinter Trueno GT-Apex Shigeno Version Win the FR Challenge in the Amateur League. # Toyota Vitz RS 1.5 Win the FF Challenge in the Beginner League. # Toyota Vitz RS 1.5 Win the Vitz Race in the Beginner League. # Volkswagen New Beetle RSi Win the Beetle Cup in the Beginner League. # Grand Turismo World Championship prize (Beginner League) Win the Grand Turismo World Championship in the Beginner League to unlock the Toyota Celica GT-Four, Mitsubishi Lancer Evolution VI GSR, Mazda Miata, and Nissan Skyline GTR V-spec II. # Japanese Championship prize (Amateur League) Win the Japanese Championship prize in the Amateur League to unlock the Mazda RX-7 Type RZ, Mitsubishi Evolution IV GSR, FTO GP Version R, and Subaru Impreza WRX Sti Version VI Wagon. # Japanese Championship prize (Amateur League) Win the Japanese Championship prize in the Amateur League to unlock the Subaru Impreza Sedan WRX STi Version VI, Chevy Camaro Race Car, Audi TT 1.8T Quattro, and Mazda RX7 Type RS. # European Championship prize (Amateur League) Win the European Championship in the Amateur League to unlock the Lotus Elise 190, Nissan GTR V-Spec, Gillet Vertigo Race Car, and Mini Cooper 1.3I. # Gran Turismo World Championship prize (Amateur League) Win the Gran Turismo World Championship in the Amateur League to unlock the Nissan C-West Razo Silvia, Nissan Z Concept car, Toyota GT1 Road Car, and Mazda RX8. # Deutsche Tourenwagen Challenge prize (Amateur League) Win the Deutsche Tourenwagen Challenge in the Amateur League to unlock the Volkswagen Lupo Cup Car, Volkswagen Beetle Cup Racer, Astra Touring Car, and RUF 3400S. # Gran Turismo All-Stars prize (Amateur League) Win the Gran Turismo All-Stars in the Amateur League to unlock the Mine's GT-R-N1 V-spec and Raybrig NSX. # All Japanese GT Championship prize (Amateur League) Win the All Japanese GT Championship in the Amateur League to unlock the Honda Arta NSX JGTC and Denso Supra Race Car. # Altezza Championship Race prize (Amateur League) Win the Altezza Championship Race in the Amateur League to unlock Tom's X540 Chaser and Toyota Vitz RS 1.5. # Dream Car Championship prize (Amateur League) Win the Dream Car Championship in the Amateur League to unlock the Mitsubishi FTO LM Race Car and Mazda RX7 LM Race Car. # Dream Car Championship prize (Professional League) Dream Car Championship in the Professional League to unlock the Toyota GT1, Panoz Esperante GTR, FTO LM Race Car, and F090/s. # Super Speedway 150 Miles prize (Endurance) Win the Super Speedway 150 Miles prize in Endurance to unlock the Chevrolet Corvette C5R, Tickford Falcon XR8 Race Car, and F090/S. # Flying front end on Escudo and GT40 There is a way to make an Escudo and GT40 front end lift up. Use the following settings and race your car at the test track. At about 230 mph the front end should lift up. Equip the highest NA or Turbo tune-up Put spring rate to minimum for front and back Put ride height to minimum for front and back Put gear's auto setting to widest, and final to 3.000 Put front down force to minimum and back to maximum Set ASM and TCS to level 0. # Series awards Series awards (i.e. cars) are not purely random. Press X when a silhouetted car has the large black circle flashing under it to cause that car to be selected as the award for winning the series. Timing is crucial, since the large black circle only appears under a car for less than half a second. If you are too slow, the next car to get the large black circle will be selected. # Easy horse power boost When you get a car, change the oil. It will boost the horse power by at least 10 and only costs 250 credits. # Easy money with memory card Note: Two memory cards are required for this trick. After you have earned about 200,000 credits, purchase a car, such as the Mitsubishi 3000 GT. Upgrade it up to the max. This will leave you almost broke. Go home and save this car to memory card slot two, then return to the title screen and load your last game from memory card slot one. This will give you your money back, and you can now go home and trade from memory card slot two. The car that you just spent all those credits on will now only cost retail price. # Easy money Go to Super Speedway in the Beginner League and keep racing the same level for easy money. Go to the Beginner League and race in NA to get 5,000 credits. If you have a good car, go to the Amateur League and race in NA for 10,000 credits. If you have a very good car, go to the Amateur League and race in GT All-Stars in the test course to get 25,000 credits. Note: Buy the cheapest tires, as they last longer. Get a fast car and race the Speedway in the Final Series Race in the Beginner League to win 10,000 credits. | ||
| By: 55master55(1238) | ||
| NEW Cheat Please Vote !! | ||
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| Gran Turismo 3 A-Spec (PS2) Game Shark Codes | 100% | |
| Game Shark Codes Note: You must have a 1.3 or higher version of the Game Shark to use these codes. Master Code (Must Be On) EC87829C 1437062C 10 Trillion Dollars 1C041124 1456DEAD 1C041120 D26487A5 Beginner League Codes 4CBE3B20 14564285 All Gold Sunday Cups 1C024BD4 1456E7A5 1C024BD8 1456E7A5 1C024BDC 1456E7A5 All Gold Clubman Cups 1C024678 1456E7A5 1C02467C 1456E7A5 1C024680 1456E7A5 All Gold FF Challenge Cups 1C024950 1456E7A5 1C024954 1456E7A5 1C024958 1456E7A5 All Gold FF Challenge Cups 1C024950 1456E7A5 1C024954 1456E7A5 1C024958 1456E7A5 All Gold FR Challenge Cups 1C024974 1456E7A5 1C024978 1456E7A5 1C02497C 1456E7A5 All Gold MR Challenge Cups 1C024B28 1456E7A5 1C024B2C 1456E7A5 1C024B30 1456E7A5 | ||
| By: 55master55(1238) | ||
| NEW Cheat Please Vote !! | ||
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| Easy Money | 98% | |
| A good way to get money is to buy an R-Type Integra and play on the R-Type series race in Beginner mode. It's really easy if you upgrade the car as much as possible. You get 5000 per race and 10000 at the end, 35000 already, then at the end you get an acura, which you can sell for 75000. 110000 in about 20 mins! | ||
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| GAMESHARK CODES | 98% | |
| MASTER CODE (MUST BE ON). EC87829C 143062C TEN TRILLION DOLLARS $10,000,000,000,000. 1C041124 1456DEAD 1C041120 D26487A5 1c0227381456e7a5 [sjeroen s] This a code for I-a license to unlock this cheat you must have A x-ploder ore something like that | ||
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| Corvette C5R | 98% | |
| Simply beat 50% of the simulation game and you will be given a Corvette C5R. | ||
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| Team ORECA Dodge Viper GTSR | 98% | |
| Win all Golds in the Amateur League. | ||
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| Mazda Roadster RS | 98% | |
| Complete the Spider and Roadster cups with gold medals in all races to unlock the Mazda Roadster RS. | ||
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| Nissan Silvia K's 1800cc | 98% | |
| Win the Beginner FR Challenge series to unlock the Nissan Silvia K's 1800cc. | ||
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| Get Cash | 94% | |
| After winning amatuer NA race save to memory card 2 then go back to the amatuer NA then save to memory card one then dont spend money. | ||
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| Mazda Eunos Roadster | 94% | |
| Complete the Cupman Cup with gold medals in all 3 races to unlock the Mazda Eunos Roadster. | ||
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| Motorbike | 93% | |
| L1, R1, R3 (push right analogue stick in), R2 THEN X, X, Triangle. Do this at car selection screen in arcade | ||
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| Easy way to get in first place | 71% | |
| A easy way to get in first place when doing any race use the walls to guide you around tight turns. the other car's will usually slow down and you have the chance to pass them, "if done right." | ||
| By: JAMESGAMES(93) | ||
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| Prefessinol mode | 69% | |
| Hold L1 and R1 at the same time for professinol mode | ||
| By: dylant7(32) | ||
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| The perfect recipe to gran turismo 3 a-spec | 60% | |
| Start taking all the licenses accept for the rally-license - it's not sp important. then you buy a mazda mx5 at 16,900.-. win sunday- and clubman cup, sell the trueno's you'll win, and buy a turbostage 2 to your mazda. then, drive the fr-cup in beginner league and you'll win a mazda mx5 1.8 at 160hp. then drive the endurance for non-tuned mazdas. tere, you'll win 100.000 and then buy a dodge viper gts! give it a na-tuning stage 3, and drive 'like the wind' in proffesional league. you win a mazda 787b! then you have just established yourself one of the best cars in 4-5 hours. that's my advice for you! =) /casper from denmark! | ||
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| Lots of money | 55% | |
| Win the rally lisence then get a good car and win the subaru rally inpreza prototype by winning the stage 5 wet reverse. Win all the other rally races by using the subaru. If you win all of them you will get a super suzuki, sell that for a couple hundred thousand along with the cars you won by winning all the other rally races. Now you need to win the European championship to get the gillet race car (you might have to win it a few times). Sell that and all the other cars that you got. Now just keep on racing get more licences win the endurance races get some free cars sell them, buy a great car and win some champion ship races get the great cherolt by completing 50% of the game. And the rest you can do yourself. | ||
| By: secretwepon(143) | ||
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| Hint | 52% | |
| To get cars for free win all gold on each level | ||
| By: Ronaldinho2007(190) | ||
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| Best car for amateurs | 50% | |
| The Mazda MX-7 is great because you can add on all the turbos AND its easy to control!Thats what i used!!! | ||
| By: modfi(330) | ||
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| Unlimed money | 50% | |
| At the main scren hold r1 and l1 | ||
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| K user | 45% | |
| Ive got all 200 cars in my garage and 60 motor bikes type k to get | ||
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| Get the toyota rally cars | 44% | |
| Hi new memeber here heres wat you do to get the toyota corlla rally car do the tahil 1 not the maze 1 | ||
| By: tigers5555(24) | ||
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| Car nitro | 36% | |
| To do this all you hav to do is tap the back of the car and tey brake so you can over take tem or tap the sides of the car to get a bit of speed WARNING you hav to tap wen you hit the back and make sure it is near a turn. | ||
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| Have all cars in garage | 35% | |
| Unlock all cars and they will (with no cost) go into your career garage. | ||
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| Unlimited Cash (Credits) | 24% | |
| On simulation mode, go to tune up shop, select USA, select Chrysler, select PT Cruiser, then press R1, R2, L1, L2, x, square, triangle, circle, x, square, triangle, circle and it will unlock unlimited cash, though it will display the money you previously have without ever subtracting money when purchasing cars/parts/ect. | ||
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With the green light to go, die-hard fans of the Gran Turismo franchise will race to give Gran Turismo 3 a test drive. Jump behind the wheel of over 130 amazing cars and get ready for the ride of your life. Gran Turismo 3 truly is a visual masterpiece enhanced by the power of the new PlayStation 2 computer entertainment system. And talk about feeling the need for speed! With the Dual Shock 2 analog controller, you feel the power of the game just like you would the acceleration of a real car. 
