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Toyota RI engine

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The RI engine comes in two different versions for different applications; the RI4A for use in Super Formula and the RI4AG for use in Super GT.
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Die cast steel or aluminium alloy. Machining process from a solid is not permitted
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under the Nippon Race Engine framework. The RI engine is fully custom-built.
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Single mechanical water pump feeding a single-sided cooling system
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Free but typically approximately between 86–90 
625: 16:Reciprocating internal combustion engine 626: 592:"Dear Lord, It's the Lexus RC-F GT500" 301:500–700 N⋅m (370–520 lbf⋅ft) 578:"2014 Lexus RC F GT500 | Lexus" 481:Honda HR-414E/HR-417E/HR-420E engine 153:16-valve (four-valves per cylinder) 13: 423:RI4A (2014–present, also known as 14: 670: 140:Die cast steel or aluminium alloy 437: 602: 584: 570: 556: 542: 528: 514: 500: 215:gasoline direct fuel injection 1: 493: 399:, developed and produced by 7: 474: 414: 10: 675: 639:Gasoline engines by model 564:"A GT500 Racer in Detail" 382:is a family of prototype 358: 342: 326: 310: 305: 295: 273: 268: 258: 246: 242:unleaded racing gasoline) 234: 221: 198: 194:) of turbo boost pressure 172: 167: 157: 144: 133: 122: 104: 86: 68: 56: 51: 43: 31: 26: 21: 372:) including turbocharger 213:) central high-pressure 184:Garrett Advancing Motion 610:"GR SUPRA | GT500" 654:Straight-four engines 649:Four-cylinder engines 469:Toyota GR Supra GT500 205:Bosch HDEV6 350  659:Toyota in motorsport 538:. 27 September 2019. 433:RI4BG (2024-present) 614:TOYOTA GAZOO Racing 598:. January 29, 2014. 524:. 28 December 2019. 38:Toyota Gazoo Racing 552:. 12 January 2023. 510:. 12 January 2019. 464:Lexus LC 500 GT500 430:RI4AG (2014–2023) 386:2.0-litre single- 376: 375: 159:Compression ratio 666: 634:Engines by model 618: 617: 606: 600: 599: 588: 582: 581: 580:. 22 April 2016. 574: 568: 567: 560: 554: 553: 546: 540: 539: 532: 526: 525: 518: 512: 511: 504: 487:Nissan NR engine 459:Lexus RC F GT500 114:(3.39–3.54  96:(3.39–3.54  19: 18: 674: 673: 669: 668: 667: 665: 664: 663: 624: 623: 622: 621: 608: 607: 603: 590: 589: 585: 576: 575: 571: 562: 561: 557: 548: 547: 543: 534: 533: 529: 520: 519: 515: 506: 505: 501: 496: 477: 440: 417: 405:Super GT series 287:; 405–500  279:550–679.8  230:Motronic MS 7.4 17: 12: 11: 5: 672: 662: 661: 656: 651: 646: 644:Toyota engines 641: 636: 620: 619: 601: 583: 569: 566:. 26 May 2015. 555: 541: 527: 513: 498: 497: 495: 492: 491: 490: 484: 476: 473: 472: 471: 466: 461: 456: 451: 446: 439: 436: 435: 434: 431: 428: 416: 413: 374: 373: 362: 356: 355: 344: 340: 339: 328: 324: 323: 312: 308: 307: 303: 302: 299: 293: 292: 283:(542–671  277: 271: 270: 266: 265: 262: 260:Cooling system 256: 255: 250: 244: 243: 236: 232: 231: 225: 219: 218: 203: 196: 195: 186:with 3.5  176: 170: 169: 165: 164: 161: 155: 154: 148: 142: 141: 138: 131: 130: 127: 124:Cylinder block 120: 119: 108: 102: 101: 90: 84: 83: 72: 66: 65: 60: 54: 53: 49: 48: 45: 41: 40: 35: 29: 28: 24: 23: 15: 9: 6: 4: 3: 2: 671: 660: 657: 655: 652: 650: 647: 645: 642: 640: 637: 635: 632: 631: 629: 615: 611: 605: 597: 593: 587: 579: 573: 565: 559: 551: 545: 537: 531: 523: 517: 509: 503: 499: 488: 485: 482: 479: 478: 470: 467: 465: 462: 460: 457: 455: 452: 450: 447: 445: 442: 441: 432: 429: 426: 422: 421: 420: 412: 410: 409:Super Formula 406: 402: 398: 395: 392: 389: 385: 381: 371: 367: 363: 361: 357: 353: 349: 345: 341: 337: 333: 329: 325: 321: 317: 313: 309: 304: 300: 298: 297:Torque output 294: 290: 286: 282: 278: 276: 272: 267: 263: 261: 257: 254: 251: 249: 245: 241: 238:Various (102 237: 233: 229: 226: 224: 220: 216: 212: 208: 204: 201: 197: 193: 189: 185: 181: 177: 175: 171: 166: 162: 160: 156: 152: 149: 147: 143: 139: 136: 135:Cylinder head 132: 128: 125: 121: 117: 113: 109: 107: 106:Piston stroke 103: 99: 95: 91: 89: 88:Cylinder bore 85: 81: 77: 73: 71: 67: 64: 61: 59: 58:Configuration 55: 50: 46: 42: 39: 36: 34: 30: 25: 20: 613: 604: 595: 586: 572: 558: 544: 530: 516: 502: 454:Dallara SF23 449:Dallara SF19 444:Dallara SF14 438:Applications 424: 418: 388:turbocharged 379: 377: 350:(27.28  334:(27.44  318:(23.62  275:Power output 209:(5,076  180:turbocharged 174:Turbocharger 70:Displacement 47:2014–present 33:Manufacturer 384:four-stroke 378:The Toyota 92:86–90  628:Categories 494:References 403:, for the 360:Dry weight 306:Dimensions 248:Oil system 223:Management 168:Combustion 146:Valvetrain 80:cu in 78:(122  44:Production 368:(85  364:187  346:693  330:697  314:600  235:Fuel type 190:(51  74:2.0  22:Toyota RI 596:Top Gear 475:See also 415:Versions 391:inline-4 253:Dry sump 137:material 126:material 63:Inline-4 27:Overview 425:TRD-01F 397:engines 178:Single- 401:Toyota 394:racing 343:Height 311:Length 269:Output 202:system 52:Layout 327:Width 228:Bosch 407:and 200:Fuel 163:15:1 151:DOHC 240:RON 211:psi 207:bar 192:psi 188:bar 182:by 630:: 612:. 594:. 380:RI 370:kg 366:lb 352:in 348:mm 336:in 332:mm 320:in 316:mm 289:kW 285:hp 281:PS 116:in 112:mm 98:in 94:mm 616:. 427:) 354:) 338:) 322:) 291:) 118:) 100:) 82:) 76:L

Index

Manufacturer
Toyota Gazoo Racing
Configuration
Inline-4
Displacement
L
cu in
Cylinder bore
mm
in
Piston stroke
mm
in
Cylinder block
Cylinder head
Valvetrain
DOHC
Compression ratio
Turbocharger
turbocharged
Garrett Advancing Motion
bar
psi
Fuel
bar
psi
gasoline direct fuel injection
Management
Bosch
RON

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