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93:-based GTP ZX-Turbo chassis. The new car would abandon the angular look of the previous car, with the cockpit being rounded and narrower. The large intakes at the nose of the car would also be replaced with smaller duct work, while large vertical snorkels for the turbocharger would be placed on the sides of the car.
137:
While the first NPT-90 chassis were under construction, NPTI began the 1990 season using the older GTP ZX-Turbos. The first chassis would be completed halfway through the season and debut at Topeka where it took an eighth-place finish, behind the second place GTP ZX-Turbo. Although engine problems at
233:
Even with the addition of the twin-turbocharged C-spec NPT-91 to the line-up midway through the season, the NPTI team would continue to struggle. The team would find also themselves struggling with funding as well, leaving only a lone NPT-91 to compete. No more victories would be scored that season,
221:
taking overall victory. This triumph was continued as the NPT-91s made their debut in Miami, also securing a race win. However Nissan would not be able to score their third successive
Sebring victory, as Toyota beat them by a sizable five laps. Unfortunately this trend would continue as the season
204:
Even with running three cars in a race at times, the upgraded NPT-91s would be unable to score another victory for the rest of the season. However, as before, consistent points finishes during the season were able to overcome the problems that Jaguar and Toyota experienced in some events, allowing
270:
company purchased an original specification NPT-90 for use in the full 1993 season. The car had chassis number 90-03. The car had some strong performances, including a second at the 12 Hours of
Sebring and third at Mid-Ohio. Momo's lone effort would allow Nissan to take third in the constructors
201:'s pace overwhelming the Nissans, with their cars taking three straight victories before the upgraded NPT-91 could take wins in Topeka and Lime Rock. However Jaguar began to reclaim victories, while Toyota and the privateer Intrepid would take race wins as well.
229:
race, where tire failures led to a pair of massive crashes that destroyed two NPT-91 chassis. Neither Chip
Robinson nor Geoff Brabham were seriously injured, but team manager Trevor Harris later said, “We never really recovered from that weekend.”
279:
An NPT-90 with chassis number 90-03 (the ex-Moretti chassis from 1993) was entered by
Pegasus Racing in the 1996 24 Hours of Daytona. The chassis was lightly modified to comply with IMSA's WSC regulations, so the roof was removed and a
254:
project to comply with IMSA's GTP rules. However IMSA announced their intentions to abandon the GTP class in 1994, leading Nissan to abandon the new car once again, now renamed NPT-93. Nissan chose to instead concentrate on their
104:
that had previously powered the GTP ZX-Turbo, but with improvements to allow for more power output, including the addition of a four-valve head to replace the two-valve design. Eventually, in 1992 Nissan chose to reduce the
88:
meant that a new car was needed to be able to continue to defend their championship. NPTI, Nissan's North
American motorsports division, was therefore tasked with construction of an all-new car, abandoning the original
157:, but the strong points finishes of both cars as well as the success of the GTP ZX-Turbos earlier in the season would allow Nissan to take the constructors championship for the second year in a row.
271:
championship, while
Gianpiero Moretti himself would take third in the drivers championship. With the abandonment of the GTP class, the NPT-90s would be retired from IMSA GTP racing.
287:
was fitted. The car started the race but didn't finish, retiring with an alternator failure after 86 laps, and was classified 67th overall and 13th in class. The car was driven by
307:
250:
Following the 1992 season, Nissan began plans for the construction of a new competitor to replace the NPT-90 series. Work began on modifying the already abandoned
234:
leaving Nissan to settle for a distant second in the constructors championship behind Toyota. Geoff
Brabham would manage a mere third in the drivers championship.
303:
470:
53:
by Nissan
Performance Technology Incorporated (NPTI), formerly known as Electramotive Engineering. It was a replacement for the highly successful
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Nissan to take a third successive constructors championship. Geoff
Brabham would take his fourth drivers championship, beating teammate
61:
in 1989. The NPT-90 would go on to win the championship in 1990 and 1991 before being retired by Nissan at the end of the 1992 season.
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progressed, with the NPT-91s suffering from heavy accidents and various mechanical woes that prevented them from finishing.
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Following five years of development and improvement on the GTP ZX-Turbo, Nissan realized that incoming competition from
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in the middle of the 1991 season. Further upgrades during 1992 would come in various specifications, signified as
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due to the more sprint-oriented design of the NPT-90. However, unlike previous years, Nissan would bring some
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from Europe to participate, aiding in the points championship. However the NPT-90s were used for the
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Once again skipping the 24 Hours of
Daytona, the Nissan team was able to be boosted by the Japanese
142:
would put the lone NPT-90 out of the race, it would quickly show its potential at the next round at
150:, and the second chassis completed, the NPT-90s would completely take over from the GTP ZX-Turbos.
68:
naming painted on it. This was an attempt by Nissan to continue to use that name to market for the
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To open the 1991 season, Nissan returned to their practice of skipping the endurance
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Over the rest of the season, the NPT-90 would only be able to secure one more win at
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The NPT-90 would be upgraded during its life, leading to the cars being renamed
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Not deterred by the withdrawal of the factory effort, Gianpiero Moretti of the
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Although officially known as the NPT-90, the car continued to race with the
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Inside IMSA's Legendary GTP Race Cars: The Prototype Experience
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would secure his third straight drivers championship as well.
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37:'s Nissan NPT-90 at the 1990 Grand Prix of Greater San Diego
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146:by taking the race win. With a second victory at
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263:efforts in the production-based IMSA classes.
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318:), but neither entry amounted to anything.
310:in the Pegasus NPTI on two occasions, (the
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334:Martin, J.A. & Fuller, M.J. (2008).
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29:
368:"Daytona 24 Hours 1996 – Photo Gallery"
14:
1212:
390:"Daytona 24 Hours 1996 – Race Results"
354:, Michael J. Fuller, Mulsanne's Corner
225:The season's lowest point came at the
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109:displacement to 2.5L in the NPT-91.
96:Nissan chose to continue to use the
352:Road Atlanta 1992, Rough and Tumble
24:
25:
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430:
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859:Daytona Prototype International
437:World Sports Racing Prototypes
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382:
246:Momo Racing's privateer NPT-90
75:
13:
1:
931:IMSA Grand Touring Prototypes
631:Skyline RS Silhouette Formula
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412:"Pegasus NPTI – All Results"
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10:
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877:Experimental (2012–2014)
312:6 Hours of Watkins Glen
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209:by a mere five points.
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132:
100:3.0 litre turbocharged
998:Ford Mustang Maxum GTP
968:Chevrolet Corvette GTP
439:- Nissan chassis index
247:
182:
49:developed in 1990 for
38:
306:would attempt to run
289:Juan Carlos Carbonell
245:
172:
33:
414:. Racing Sports Cars
392:. Racing Sports Cars
370:. Racing Sports Cars
302:Later in the season
59:IMSA GT Championship
1133:Nissan GTP ZX-Turbo
195:12 Hours of Sebring
187:24 Hours of Daytona
1220:Nissan racing cars
626:Bluebird SSS Turbo
304:Jacobs Motorsports
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183:
39:
1207:
1206:
897:
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868:Ligier Nissan DPi
835:Le Mans Prototype
783:Fairlady Z (RZ34)
57:that had won the
16:(Redirected from
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993:Ford Mustang GTP
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773:Fairlady Z (Z33)
483:sportscar racers
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655:Skyline Turbo C
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1003:Ford Probe GTP
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485:(1966–present)
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431:External links
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316:Daytona Finale
308:Michael Jacobs
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140:Lime Rock Park
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128:Racing history
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1225:IMSA GTP cars
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207:Chip Robinson
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191:Nissan R90CKs
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181:in the NPT-91
180:
179:Geoff Brabham
176:
173:A victory at
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159:Geoff Brabham
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51:Nissan Motors
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43:Nissan NPT-90
36:
35:Geoff Brabham
32:
27:Motor vehicle
19:
18:Nissan NPT-91
1137:
1028:Jaguar XJR-9
1023:Jaguar XJR-7
1018:Jaguar XJR-6
1013:Jaguar XJR-5
837:(1999, 2015)
763:Skyline GT-R
743:
739:GTP ZX-Turbo
636:Silvia Turbo
616:Violet Turbo
416:. Retrieved
406:
394:. Retrieved
384:
372:. Retrieved
347:
335:
330:
301:
278:
265:
249:
232:
227:Road Atlanta
224:
219:Nissan R91CP
216:
203:
184:
155:Road America
152:
148:Watkins Glen
136:
121:
117:
113:
111:
95:
79:
70:Nissan 300ZX
66:GTP ZX-Turbo
65:
63:
55:GTP ZX-Turbo
42:
40:
1189:Spice SE92P
1184:Spice SE91P
1179:Spice SE90P
1174:Spice SE89P
1169:Spice SE88P
1164:Spice SE86C
1159:Porsche 962
1143:Porsche 935
988:Eagle MkIII
973:Chevron GTP
933:(1981–1993)
861:(2017–2019)
795:(1997–1998)
732:(1985–1993)
710:R91CK/CP/VP
648:(1983–1992)
609:(1979–1984)
585:(1981–1995)
552:(1975–1993)
523:(1968–1970)
494:(1965–1970)
418:27 December
396:27 December
374:27 December
76:Development
1214:Categories
1199:Toyota 88C
1194:Tiga GT286
1147:Gaaco 935L
1058:Kudzu DG-3
1053:Kudzu DG-2
1048:Kudzu DG-1
983:Eagle HF90
978:Eagle HF89
340:Motorbooks
322:References
293:Jim Briody
285:V12 engine
72:road car.
47:racing car
1118:Mazda GTP
1113:Mazda 767
1108:Mazda 757
1103:March 87G
1098:March 86G
1093:March 85G
1088:March 84G
1083:March 83G
1078:March 82G
1073:Lola T616
1068:Lola T610
1063:Lola T600
958:Argo JM19
953:Argo JM16
884:DeltaWing
297:Jon Field
102:V6 engine
948:Alba AR8
943:Alba AR3
802:R390 GT1
730:IMSA GTP
720:P35/NP35
705:R90CK/CP
583:IMSA GTS
579:IMSA GTO
550:IMSA GTU
511:R380-III
443:Prototyp
314:and the
144:Mid-Ohio
120:through
963:BMW GTP
889:ZEOD RC
812:FIA GT1
793:FIA GT1
646:Group C
621:Gazelle
607:Group 5
521:Group 7
506:R380-II
492:Group 6
122:NPT-91D
118:NPT-91A
768:Silvia
744:NPT-90
695:R88V/C
480:Nissan
199:Jaguar
114:NPT-91
86:Jaguar
82:Toyota
45:was a
715:R92CP
665:LM04C
660:LM03C
597:300ZX
592:280ZX
569:240SX
564:280ZX
261:300ZX
257:240SX
175:Miami
107:VG30s
844:R391
825:GT-R
778:GT-R
700:R89C
690:R87E
685:R86V
680:R85V
675:T810
559:280Z
540:R383
535:R382
530:R381
501:R380
420:2013
398:2013
376:2013
295:and
275:1996
268:Momo
259:and
238:1993
213:1992
165:1991
133:1990
98:VG30
91:Lola
84:and
41:The
816:GT3
670:83G
299:.
282:BMW
252:P35
177:by
1216::
814:/
359:^
338:.
291:,
124:.
923:e
916:t
909:v
581:/
472:e
465:t
458:v
422:.
400:.
378:.
342:.
20:)
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