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1987 BUICK - GNX #261. GNX #261 Twin Turbo for sale. The mods on #261 was completed by Dan White (of White Racing) and Moran Motorsports. The reason behind building the GNX #261 was to have a “REALLY” cool street car that could be driven around, its uniqueness, and the limited number.
In zero-to-60 performance, the only car available in the U.S. that matches the Buick is the Callaway Twin-Turbo Corvette, and the only one that beats it is the Porsche 911 Turbo, at 4.6 seconds.
21 cze 2014 · GNX wyposażono w 3,8-litrowy silnik V6 z jeszcze większą turbosprężarką Garretta z elementami z ceramiki, sekwencyjnym, wielopunktowym wtryskiem paliwa, wydechem o większym przepływie i innymi poprawkami, po których pod prawą nogą czekało na najmniejsze ukłucie 280 koni mechanicznych.
1 lis 2022 · Built by Roadster Shop for the 2022 SEMA show, this 1987 Buick Grand National features a 1500-hp 427 LS with twin turbos. This GNX update is off the charts!
1 paź 2020 · Third-party testing revealed that the GNX's turbo V6 actually produced more than 300 horsepower and 400 ft-lbs of torque at 3,900rpm. This allowed the GNX to outrun contemporary models from Ferrari and Porsche, and made it one of the world's fastest production cars at the time.
Buick engineers continued to improve the 3.8 liter V6 turbo engine and were able to up the horsepower to 245 versus the 235 previously. Torque also increased 25 lbs-fts to 355 lbs-ft. As one would expect, performance improved again.
The GNX was America’s fastest car for 1987 and one of the fastest in the world, competing with names such as the Ferrari F40, and making the Corvette look just bad. Twin Turbo performance house tuned Callaway Corvettes couldn’t even keep up with the phantom muscle car.
