| VEHICLE DATA CODES | ||
| CARS | ||
| ENGINE CODE | ENGINE CLASS | ENGINE DISPLACEMENT |
| 101 | Ω | ENGINES USING THERMODYNAMIC CYCLE OTHER THAN OTTO |
| 102 | AA | 501 CID AND OVER |
| 103 | A | 440 THRU 500 CID |
| 104 | B | 373 THRU 439 CID |
| 105 | C | 306 THRU 372 CID |
| 106 | D | 261 THRU 305 CID |
| 107 | E | 184 THRU 260 CID |
| 108 | F | 123 THRU 183 CID |
| 109 | G | 93 THRU 122 CID |
| 110 | H | 62 THRU 92 CID |
| 111 | I | 46 THRU 61 CID |
| 112 | J | 31 THRU 45 CID |
| 113 | K | 30 CID AND UNDER |
| 114 | E1/T1/S1 | ELECTRIC/TURBINE VEHICLE WEIGHT I |
| 115 | E2/T2/S2 | ELECTRIC/TURBINE VEHICLE WEIGHT II |
| 116 | E3/T3/S3 | ELECTRIC/TURBINE VEHICLE WEIGHT III |
| 117 | U | FOR UDT,MDT,HH2 & HH3 BODY CLASSES |
| 120 | XO | OVERHEAD VALVE & FLATHEAD INLINE |
| 121 | XF | PRODUCTION FORD/MERCURY FLATHEAD V-8 ENGINE |
| 122 | XXF | XF ENGINE W/OVERHEAD VALVE CONVERSION |
| 123 | XXO | XO ENGINE W/SPWCIALTY CYLINDER HEAD |
| 124 | V4 | PRE-1935 “AMERICAN MADE” FOUR CYLINDERS |
| 125 | M | MIDGET VINTAGE ENGINE |
| 126 | V4F | PRE-1935 “AMERICAN MADE” FOUR CYLINDERS FLATHEAF |
| BODY CODE | BODY CLASS | BODY TITLE |
| 301 | BFALT | BLOWN FUEL ALTERED COUPE |
| 302 | BFCC | BLOWN FUEL COMPETITION COUPE |
| 303 | BFL | BLOWN FUEL LAKESTER |
| 304 | BFMR | BLOWN FUEL MODIFIED ROADSTER |
| 305 | BFR | BLOWN FUEL ROADSTER |
| 306 | BFS | BLOWN FUEL STREAMLINER |
| 307 | BGALT | BLOWN GAS ALTERED COUPE |
| 308 | BGC | BLOWN GAS COUPE |
| 309 | BGCC | BLOWN GAS COMPETITION COUPE |
| 310 | BGL | BLOWN GAS LAKESTER |
| 311 | BGMR | BLOWN GAS MODIFIED ROADSTER |
| 312 | BGR | BLOWN GAS ROADSTER |
| 313 | BGS | BLOWN GAS STREAMLINER |
| 314 | BGT | BLOWN GRAND TOURING SPORTS |
| 315 | AIR | AMERICAN IRON ROADSTER |
| 316 | BSTR | BLOWN STREET ROADSTER |
| 317 | BVFALT | BLOWN VINTAGE FUEL ALTERED COUPE & SEDAN |
| 318 | BVFCC | BLOWN VINTAGE FUEL COMPETITION COUPE & SEDAN |
| 319 | BVGALT | BLOWN VINTAGE GAS ALTERED COUPE & SEDAN |
| 320 | BVGC | BLOWN VINTAGE GAS COUPE & SEDAN |
| 321 | BVGCC | BLOWN VINTAGE GAS COMPETITION COUPE & SEDAN |
| 322 | DT | DIESEL TRUCK |
| 323 | E | ELECTRIC VEHICLE |
| 324 | FALT | FUEL ALTERED COUPE |
| 325 | FCC | FUEL COMPETITION COUPE |
| 326 | FL | FUEL LAKESTER |
| 327 | FMR | FUEL MODIFIED ROADSTER |
| 328 | FR | FUEL ROADSTER |
| 329 | FS | FUEL STREAMLINER |
| 330 | GALT | GAS ALTERED COUPE |
| 331 | GC | GAS COUPE |
| 332 | GCC | GAS COMPETITION COUPE |
| 333 | GL | GAS LAKESTER |
| 334 | GMR | GAS MODIFIED ROADSTER |
| 335 | GR | GAS ROADSTER |
| 336 | GS | GAS STREAMLINER |
| 337 | GT | GRAND TOURING SPORTS |
| 338 | BMP | BLOWN MODIFIED PICKUP |
| 339 | BMMP | BLOWN MODIFIED MID-MINI PICKUP |
| 340 | PMP | PRODUCTION MID-MINI PICKUP |
| 341 | MMP | MODIFIED MID-MINI PICKUP |
| 342 | MP | MODIFIED PICKUP |
| 343 | MDT | MODIFIED DIESEL TRUCK |
| 344 | MVOT | MIDGET VINTAGE OVAL TRACK |
| 345 | PP | PRODUCTION PICKUP |
| 346 | PRO | PRODUCTION COUPE & SEDAN |
| 347 | PS | PRODUCTION SUPERCHARGED |
| 348 | STR | STREET ROADSTER |
| 349 | UDT | UNLIMITED DIESEL TRUCK |
| 350 | VFALT | VINTAGE FUEL ALTERED COUPE |
| 351 | VFCC | VINTAGE FUEL COMPETITION COUPE |
| 352 | VGALT | VINTAGE GAS ALTERED COUPE |
| 353 | VGC | VINTAGE GAS COUPE |
| 354 | VGCC | VINTAGE GAS COMPETITION COUPE |
| 355 | VOT | VINTAGE OVAL TRACK |
| 356 | T | TURBINE VEHICLE |
| 357 | DS | DIESEL STREAMLINER |
| 358 | HH2 | HIGHWAY HAULER II |
| 359 | HH3 | HIGHWAY HAULER III |
| 360 | BFMS | BLOWN FUEL MODIFIED SPORTS |
| 361 | MGMS | BLOWN GAS MODIFIED SPORTS |
| 362 | FMS | FUEL MODIFIED SPORTS |
| 363 | GMS | GAS MODIFIED SPORTS |
| 364 | CBFALT | CLASSIC BLOWN FUEL ALTERED COUPE & SEDAN |
| 365 | CBGALT | CLASSIC BLOWN GAS ALTERED COUPE & SEDAN |
| 366 | CBGC | CLASSIC BLOWN GAS COUPE & SEDAN |
| 367 | CFALT | CLASSIC FUEL ALTERED COUPE & SEDAN |
| 368 | CGALT | CLASSIC GAS ALTERED COUPE & SEDAN |
| 369 | CGC | CLASSIC GAS COUPE & SEDAN |
| 370 | CPRO | CLASSIC PRODUCTION COUPE & SEDAN |
| 371 | CPS | CLASSIC PRODUCTION SUPERCHARGED COUPE & SEDAN |
| 372 | S | STEAM |
| 373 | BFRMR | BLOWN FUEL REAR ENGINE MODIFIED ROADSTER |
| 374 | FRMR | FUEL REAR ENGINE MODIFIED ROADSTER |
| 375 | BGRMR | BLOWN GAS REAR ENGINE MODIFIED ROADSTER |
| 376 | GRMR | GAS REAR ENGINE MODIFIED ROADSTER |
| 599 | TO | TIME ONLY |
