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higher than that of the 500I, thus changing the overall balance of the car a bit. The development and testing of the 500I engine, at that time called Ilmor 265E, took place in the utmost secrecy because there was a possibility of the turbocharger boost level being changed, or the engine being banned by the Indy 500 sanctioning body.
501:
the pushrod engine provided. However, the two versions of the gearbox were of the same weight, thus causing no shift in the weight balance. The
Mercedes-Benz 500I engine was slightly lighter than the Ilmor Indy V-8, although because of its longer inlets the centre of gravity of the entire engine was
792:
V-6 Indy engine. Initially, the stock blocks were required to have some production-based parts. However, in 1991, USAC quietly lifted the requirement, and purpose-built pushrod engines were permitted to be designed for racing at the onset. Attempting to create an equivalency formula, both pushrod
546:
chassis, qualifying 3rd with
Fittipaldi, 5th with Al Unser Jr., and 6th with Tracy. In the race, which was shortened by 10 laps due to darkness, Fittipaldi scored a 2nd place, while Unser and Tracy retired for electrical problems. At Phoenix, the first oval race of the season, the PC23 scored its
486:, mandatory by rule changes for the 1994 season, and Team Penske put in a lot of test efforts to minimize the effects of these changes. There were also some modifications on the transmission, but the new car was mostly a progression. Plans to fit the PC-23 with an
447:
scoring 12 wins out of 16 in total, collecting 10 pole positions and 28 podium finishes, in a season that saw Penske also take the
Constructor's Cup, and the Manufacturer's Cup with the
730:, which was up a 150-200 hp advantage over the conventional V-8s.) allowed the Penskes to run significantly faster, giving them the pole and outside front row on the grid for the
420:
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458:
engine, designed and developed for the single race of
Indianapolis, exploiting a loophole in different technical rules between the Indy 500 (which was then sanctioned by
2164:
493:
The Indy 500 version of the PC-23, showed a much higher engine cover, required because of the new engine. Other modifications included changes to the input gears of the
753:
In the summer and fall of 1993, Ilmor and Penske engaged in a new engine program. Under complete secrecy, a 209 cid purpose-built, pushrod engine was being developed.
769:'s rulebook since 1991. While CART sanctioned the rest of the Indycar season, the Indianapolis 500 itself was conducted by USAC under slightly different rules.
2945:
2303:
742:
dominated the race, eventually lapping the field with 16 laps to go in the 200 lap race when
Emerson made contact with a wall coming out of Turn 4, giving
812:
Team Penske mated the engine with the in-house Penske chassis, the PC-23. It was introduced to the public in April, just days before opening day at Indy.
2384:
An extensive article about Penske PC-23 and the
Mercedes-Benz 500I engine, with various informations, specifications and images at forix.autosport.com
859:
2273:
788:). The traditional "stock blocks," saw some limited use in the early 1980s, but became mainstream at Indy starting with the introduction of the
2212:
2874:
2432:
772:
In an effort to appeal to smaller engine-building companies, USAC had permitted "stock-block" pushrod engines (generally defined as single
490:
system were cancelled due to a ban by CART on such technology. The car and the Ilmor engine were ready for testing by mid-December 1993.
618:, not counting the brief and unfortunate attempt to qualify at Indy 500 with their year-old car, Penske Racing was running with the new
2940:
575:
however, Unser's engine blew, while
Fittipaldi finished 3rd, and Tracy 5th, ending an astonishing streak of seven wins in a row. In
1860:
Only the #89 car results are counted. Fittipaldi run entire season with the PC-24 chassis, scoring 67 points and 11th final place.
1880:
1008:
539:
326:
706:) dominated most of the month, and nearly the entire race. This engine used a provision in the rules intended for stock block
431:
cars. The PC-23 was one of the most dominant open-wheel race cars ever developed. It won both the 1994 CART season, and the
1945:
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1451:
1073:
592:
626:
team used the PC-23 for almost the entire season, with the Indy 500 and
Milwaukee as sole exceptions. Bettenhausen driver
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scored points in eight races and finished 13th place in the final standings, with on third place as its best result. In
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599:, his first in CART racing, while Unser clinched the championship ahead of Fittipaldi. Two final events of the season,
1702:
694:. Despite reliability issues with the engine and handling difficulties with the chassis, the three-car Penske team (
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2342:"Mercedosaurus Rex at Indianapolic Park, Part 23: The loose ends that didn't fit in anywhere else and the epilogue"
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title by only 8 points. The only substantial difference of the new car from it were the smaller rear wings on the
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559:, where Penske Racing scored a remarkable 1-2-3 win with Fittipaldi second and Tracy third, a win for Tracy at
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first win, with
Fittipaldi ahead of Al Unser Jr. The season continued with six wins in a row, three for Unser:
1905:
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587:, the Penskes scored two 1-2-3 wins in a row, with Unser as the winner on both occasions. Unser won also in
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The car in its Indy 500 version caused a considerable uproar at the
Indianapolis Motor Speedway and in the
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611:. Unser, Fittipaldi, and Tracy ended the season at first three places in season standings respectively.
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156:
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In 2014, author Jade Gurss published a book detailing the efforts to create the PC-23. Called
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stepped in near the end of development and paid a fee in order to badge the engine as the
8:
1955:
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840:
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699:
600:
596:
576:
572:
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528:
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2122:"Mercedosaurus Rex at Indianapolis Park, Part 10: Penske PC23 - a home for the engine"
2360:
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639:
487:
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62:
1502:
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451:-Mercedes-Benz engine. Nevertheless, the car is mostly known for the controversial
330:
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in general. Subsequently, the PC-23 was recognized as one of the triggers of the
820:
806:
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the lead and win. The only other driver who finished on the lead lap was rookie
1930:
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1471:
1058:
850:, the book explored what happened in the year leading up to the 1994 Indy-500.
773:
452:
181:
2909:
2441:
2304:"AUTO RACING; Penske Drives Through Loophole And Into Indianapolis Front Row"
2165:"AUTO RACING; Penske Drives Through Loophole And Into Indianapolis Front Row"
1989:
1982:
1970:
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960:
723:
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1977:
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2233:"Part 18: The 1995 '500' - The Mercedosaurus bites its masters after all"
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39:
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2464:
1376:
1192:
798:
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427:, which was a radical departure from the basic concept of the previous
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591:, completing his second row of 3 back to back wins of the season. The
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2274:"AUTO RACING; Penske's Engine Has Opponents Singing Brickyard Blues"
762:
239:
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642:, who crashed out of the race in lap 89, while in the 21st place.
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161:
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29:
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The PC-23 was a design evolution of its predecessor, the
714:
engines that allowed an extra 650 cm³ and 10
280:
Speedway Special Radial 25.5in x 9.5in x 15in (front)
2401:Penske PC-23 Mercedes-Benz at dlg.speedfreaks.org
2250:"Part 21: PC23's further active career after 1994"
761:. The engine was designed to exploit a perceived "
497:, to cope with the lower rpm and higher power and
478:, 8 races over the entire season, and missing the
223:(10,500 rpm max.), 550 lb⋅ft (746 N⋅m)
2907:
634:, the PC-23 had one final run, at the inaugural
622:, although with much less success. However, the
2185:"1993 CART PPG IndyCar World Series standings"
2136:"1994 CART PPG IndyCar World Series standings"
2847:
2758:
2674:
2426:
690:engine, which was capable of a reported 1000
2946:American open-wheel car racing controversies
462:) and CART sanctioning bodies at that time.
423:, who based its design on the 1993 car, the
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660:Mercedes-Benz 500I engine displayed in the
2854:
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2681:
2667:
2433:
2419:
2396:Penske PC-23 Ilmor at dlg.speedfreaks.org
2099:"The Ten Craziest Engines of the Indy 500"
680:with a brand new, secretly-built 209
542:, noted for the sensational debut win of
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2242:
819:
655:
523:
2116:
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2389:Specifications at forix.autosport.com
854:Complete Indy Car World Series results
793:engine formats were allowed increased
567:, another 1-2-3 sweep for Penske, and
540:1994 Australian FAI Indycar Grand Prix
327:1994 Australian FAI Indycar Grand Prix
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2301:
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668:Much to the surprise of competitors,
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2225:
2213:"Andretti and Dad Finish 1st and 3d"
2191:
2177:
2156:
2142:
2128:
2105:
726:) of boost. This extra power (1,024
866:indicate pole position; results in
180:72 degrees, 2 valves per cylinder,
13:
28:
14:
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2941:American Championship racing cars
2377:
505:
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1988:
1969:
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1600:
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403:racing car that competed in the
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2314:
2150:"The Penske-Mercedes PC23-500I"
2864:1996 PPG Indy Car World Series
2775:1995 PPG Indy Car World Series
2691:1994 PPG Indy Car World Series
2091:
160:(for Indy 500 only) 3.43
1:
2084:
2302:Siano, Joseph (1994-05-22).
2272:Siano, Joseph (1994-04-18).
2163:Siano, Joseph (1994-05-22).
595:was won by then-rising star
563:, and two wins for Unser at
7:
678:Indianapolis Motor Speedway
465:
370:Constructors' Championships
282:27in x 14.5in x 15in (rear)
141:115 in (2,921 mm)
131:190 in (4,826 mm)
10:
2967:
2862:Cars that competed in the
2773:Cars that competed in the
2689:Cars that competed in the
1986:
1777:
1598:
1494:
1271:
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801:vs. 161.7), and increased
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2951:Controversial racing cars
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652:Mercedes-Benz 500I engine
531:driving the PC-23 at the
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1841:Johansson did qualify a
1377:Bettenhausen Motorsports
824:The Penske PC-23 at the
624:Bettenhausen Motorsports
417:Bettenhausen Motorsports
399:was a highly successful
92:Technical specifications
870:indicate fastest lap)
2344:. forix.autosport.com.
2252:. forix.autosport.com.
2235:. forix.autosport.com.
2152:. forix.autosport.com.
2124:. forix.autosport.com.
828:
776:units fitted with two
665:
535:
382:Drivers' Championships
193:longitudinally-mounted
33:
2926:1996 CART season cars
2921:1995 CART season cars
2916:1994 CART season cars
826:1994 Indianapolis 500
823:
732:78th Indianapolis 500
659:
650:Further information:
533:1994 Indianapolis 500
527:
516:1994 Indianapolis 500
476:1993 Indianapolis 500
433:1994 Indianapolis 500
419:. It was designed by
32:
2355:Gurss, Jade (2014).
2199:"PEOPLE: RICK GORNE"
2187:. race-database.com.
2138:. race-database.com.
1983:Marlboro Team Penske
1864:Chassis Constructors
1574:Marlboro Team Penske
961:Marlboro Team Penske
710:engines such as the
674:Marlboro Team Penske
662:Mercedes-Benz Museum
538:The PC23 debuted at
1663:Bettenhausen Racing
520:1995 IndyCar season
512:1994 IndyCar season
413:1995 IndyCar season
405:1994 IndyCar season
287:Competition history
24:
2308:The New York Times
2278:The New York Times
2218:The New York Times
2170:The New York Times
1607:Emerson Fittipaldi
1104:Emerson Fittipaldi
983:Mercedes-Benz 500I
829:
809:vs. 45 inHG)
765:" that existed in
759:Mercedes-Benz 500I
748:Jacques Villeneuve
740:Emerson Fittipaldi
700:Emerson Fittipaldi
666:
646:Mercedes-Benz 500I
597:Jacques Villeneuve
536:
529:Emerson Fittipaldi
456:Mercedes-Benz 500I
441:Emerson Fittipaldi
307:Emerson Fittipaldi
157:Mercedes-Benz 500I
112:Suspension (front)
34:
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2406:penskeracing.com
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1786:Gary Bettenhausen
640:Gary Bettenhausen
488:active suspension
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120:Suspension (rear)
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2931:Indianapolis 500
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2359:. Octane Press.
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2201:. grandprix.com.
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1503:Stefan Johansson
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628:Stefan Johansson
474:, which won the
439:, together with
339:
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331:Surfers Paradise
292:Notable entrants
25:
21:
19:Racing car model
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676:arrived at the
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302:Notable drivers
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56:Penske Cars Ltd
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2378:External links
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2101:. 23 May 2014.
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2221:. 1994-03-21.
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421:Nigel Bennett
418:
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411:, and in the
410:
409:Penske Racing
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296:Penske Racing
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67:Nigel Bennett
66:
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46:
43:
41:
37:
31:
26:
2890:Penske PC-23
2889:
2885:Penske PC-25
2811:Penske PC-23
2810:
2806:Penske PC-24
2727:Penske PC-22
2722:Penske PC-23
2721:
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2045:
2033:
2032:
2026:
2025:
2017:
2012:
2007:
2002:
1995:Al Unser Jr.
1978:Penske PC-22
1975:Penske PC-23
1840:
1833:
1828:
1679:
1590:
1566:
1561:
1393:
1364:
1359:
1336:
1335:
1330:
1321:
1320:
1314:
1313:
1308:
1303:
1298:
1293:
1280:Al Unser Jr.
1265:
1260:
1252:
1251:
1243:
1208:
1203:
1178:
1173:
1162:
1161:
1149:
1148:
1122:
1114:
995:
981:
968:
867:
863:
857:
847:
845:
833:racing world
830:
811:
803:turbocharger
797:(209.3
795:displacement
771:
758:
752:
744:Al Unser Jr.
736:Al Unser Jr.
672:, and fans,
667:
613:
607:were won by
593:Road America
553:Indianapolis
537:
492:
469:
437:Al Unser Jr.
397:Penske PC-23
396:
394:
317:Al Unser Jr.
200:Transmission
186:turbocharged
164:(3,430
151:
103:Carbon-fiber
86:Penske PC-24
76:Penske PC-22
23:Penske PC-23
2936:Team Penske
2895:Reynard 96I
2880:Lola T96/00
2821:Reynard 94I
2816:Reynard 95I
2801:Lola T92/00
2796:Lola T93/00
2791:Lola T94/00
2786:Lola T95/00
2732:Reynard 94I
2717:Lola T91/00
2712:Lola T92/00
2707:Lola T93/00
2702:Lola T94/00
2457:Formula One
2322:"- YouTube"
1877:Top Driver
1843:Reynard 94I
722:/33.8
605:Laguna Seca
484:short ovals
333:, Australia
234:1,550
189:Mid-engined
168:; 209
72:Predecessor
63:Designer(s)
52:Constructor
2910:Categories
2875:Eagle MK-V
2085:References
1193:Paul Tracy
786:rocker arm
728:horsepower
718:(4.9
704:Paul Tracy
692:horsepower
609:Paul Tracy
549:Long Beach
510:See also:
445:Paul Tracy
312:Paul Tracy
262:Lubricants
238:(703
170:cu in
2517:SCCA/CART
1874:Top Team
589:Vancouver
569:Cleveland
557:Milwaukee
480:1993 CART
178:vee angle
137:Wheelbase
106:monocoque
82:Successor
1871:Chassis
879:Entrant
843:split,.
763:loophole
755:Mercedes
712:V6 Buick
636:U.S. 500
601:Nazareth
581:Mid-Ohio
577:Michigan
565:Portland
466:Overview
257:methanol
219:@ 9,800
204:6-speed
40:Category
2327:YouTube
1960:Points
1670:IC108B
1581:IC108B
1384:IC108B
945:Points
888:Driver
882:Engine
868:italics
782:pushrod
774:non-OHC
708:pushrod
688:pushrod
614:In the
573:Toronto
561:Detroit
544:Reynard
495:gearbox
453:pushrod
266:Mobil 1
184:single-
123:Pushrod
115:Pushrod
98:Chassis
47:IndyCar
2648:PC-27B
2568:PC-10B
2363:
885:Tyres
816:Legacy
778:valves
716:inches
518:, and
499:torque
429:Penske
231:Weight
225:torque
215:1,024
206:manual
147:Engine
128:Length
2643:PC-27
2638:PC-26
2633:PC-25
2628:PC-24
2623:PC-23
2618:PC-22
2613:PC-21
2608:PC-20
2603:PC-19
2598:PC-18
2593:PC-17
2588:PC-16
2583:PC-15
2578:PC-12
2573:PC-11
2563:PC-10
2558:PC-9B
2357:Beast
991:turbo
978:turbo
966:Ilmor
876:Year
848:Beast
790:Buick
696:Unser
670:media
638:with
620:PC-24
571:. In
472:PC-22
449:Ilmor
435:with
425:PC-22
415:with
407:with
349:Poles
342:Races
323:Debut
273:Tyres
251:Mobil
212:Power
2553:PC-9
2548:PC-7
2540:CART
2530:PC-7
2525:PC-6
2507:PC-6
2502:PC-5
2494:USAC
2448:cars
2361:ISBN
1896:INDY
1847:Ford
1834:39th
1658:1996
1652:NC
1624:DNQ
1567:13th
1525:DNQ
1432:INDY
1372:1995
1024:INDY
970:265D
956:1994
949:D.C.
891:No.
864:bold
837:CART
807:inHG
784:and
767:USAC
738:and
702:and
632:1996
616:1995
603:and
583:and
555:and
460:USAC
443:and
401:CART
395:The
387:CART
375:CART
345:Wins
253:and
247:Fuel
45:CART
2475:PC4
2470:PC3
2465:PC1
2072:313
1963:Rk
1956:LAG
1951:NAZ
1946:ROA
1941:VAN
1936:NHA
1931:MDO
1926:MCH
1921:TOR
1916:CLE
1911:POR
1906:DET
1901:MIL
1891:LBH
1886:PHX
1881:SFR
1803:21
1790:26
1768:LAG
1763:VAN
1758:ROA
1753:MDO
1748:MCH
1743:TOR
1738:CLE
1733:POR
1728:DET
1723:MIL
1718:500
1713:NAZ
1708:LBH
1703:SFR
1698:RIO
1693:MIA
1649:-
1611:89
1558:14
1552:25
1549:23
1540:14
1537:10
1531:11
1528:21
1516:24
1513:17
1510:22
1507:16
1487:LAG
1482:VAN
1477:NHA
1472:MDO
1467:MCH
1462:CLE
1457:TOR
1452:ROA
1447:POR
1442:DET
1437:MIL
1427:NAZ
1422:LBH
1417:PHX
1412:SFR
1407:MIA
1365:1st
1360:225
1354:20
1327:29
1287:14
1284:31
1266:3rd
1261:152
1240:20
1231:16
1213:23
1200:16
1179:2nd
1174:178
1142:10
1136:20
1119:21
1084:LAG
1079:NAZ
1074:ROA
1069:VAN
1064:NHA
1059:MDO
1054:MCH
1049:TOR
1044:CLE
1039:POR
1034:DET
1029:MIL
1019:LBH
1014:PHX
1009:SFR
987:V-8
974:V-8
942:17
939:16
936:15
933:14
930:13
927:12
924:11
921:10
860:key
841:IRL
799:cid
724:kPa
720:psi
682:cid
385:1 (
373:1 (
315:31
221:rpm
174:V-8
2912::
2324:.
2306:.
2286:^
2276:.
2258:^
2241:^
2215:.
2167:.
2107:^
2056:2
2053:1
2050:1
2042:8
2039:3
2022:1
1999:2
1853:V8
1850:XB
1845:-
1672:V8
1583:V8
1562:60
1555:4
1546:6
1543:8
1534:6
1522:3
1519:6
1386:V8
1351:2
1348:2
1345:1
1342:1
1309:10
1290:2
1248:1
1244:18
1237:2
1234:2
1228:5
1225:3
1222:3
1219:1
1216:3
1209:20
1204:23
1197:3
1168:4
1158:3
1155:9
1145:3
1139:3
1133:2
1130:2
1127:2
1123:17
1111:2
1108:2
918:9
915:8
912:7
909:6
906:5
903:4
900:3
897:2
894:1
750:.
734:.
698:,
551:,
514:,
361:10
358:12
355:32
310:3
305:2
255:76
240:kg
236:lb
217:hp
191:,
176:,
172:)
166:cc
2855:e
2848:t
2841:v
2766:e
2759:t
2752:v
2682:e
2675:t
2668:v
2434:e
2427:t
2420:v
2369:.
2330:.
2310:.
2280:.
2173:.
2077:1
2066:1
2060:1
2046:1
2034:1
2027:1
2018:1
2013:1
2008:1
2003:1
1858:.
1856:t
1829:0
1682:G
1675:t
1593:G
1586:t
1396:G
1389:t
1337:1
1331:8
1322:1
1315:1
1304:1
1299:1
1294:1
1253:1
1163:3
1150:3
1115:1
998:G
989:-
976:-
858:(
839:/
664:.
389:)
377:)
242:)
162:L
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