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Oct 1, 2020 · Above: A 1987 Buick Grand National would serve as the starting point for every GNX. (Photos courtesy of General Motors) The standard 1987 Grand National, pictured above, was powered by a turbocharged 3.8L V6 rated at 245 horsepower and 355 ft-lbs of torque. 547 Grand Nationals were sent to ASC/McLaren for extensive modifications inside and out.
- Turbo Genesis
- The Black Arts
- A Big Last Hurrah
The turbo V-6 story goes all the way back to 1973 when Ken Baker, a young engineer in Buick's test lab (he would later lead General Motors' electric-vehicle program, then its research labs), started a Boy Scout Explorer program at the Buick engineering department. "I decided that a great project would be to turbocharge the recently revived V-6 with...
Other colors were considered, but the decision to make all GNs black gave them a sinister Darth Vader look. Don Hackworth, who replaced Reuss as Buick general manager in 1984, authorized a cool but controversial commercialshowing a Grand National rumbling menacingly through a city at night to a Buick-ized version of the George Thorogood and the Des...
The GNX happened because then–chief engineer Dave Sharpe, advanced concepts manager Mike Doble, and project engineer Chuck Jensen badly wanted it. "Tim Logsdon, my boss at the time, pulled me into Dave's office and said, 'We want to build a Grand National to end all Grand Nationals to celebrate the end of its run,' " Doble recalls. "The original nu...
Mar 25, 2021 · The story of the Buick Grand National (and its hopped-up sibling, the GNX) is a familiar one to muscle car fans: in the early '80s Buick took its Regal coupe, outfitted it with a turbocharged V6, and proceeded to stomp all over every other American car in a straight line.
The Turbo Regals(Grand National, T-Type, Turbo T, and GNX) all have Buick's 3.8 liter(231 cubic inch) 90deg. V-6 engine. It should be noted that Buick used turbochargers on this engine from 1978 through the 1987 model years.
- Buick Regal
- Supercar
- 2-door, 4-seat Coupe
- 1984-1987
Nov 27, 2018 · The 1986 Grand National engine was a 3.8L V-6 (3.8-inch bore x 3.40-inch stroke) equipped with multi-port Sequential Fuel Injection, a turbocharger, and an air-to-air intercooler. It produced 235 hp at 4,000 rpm and 330- lb.ft. torque at 2,400 rpm.
- David Conwill
Engine Used. 231ci/276hp. Zero to Sixty. 4.7 sec. Quarter Mile. 13.5 sec @ 102.0 mph. Buick announced that the Regal’s rear wheel drive platform was history and that 1987 was the last year the Grand National would be offered.
Muscle Car Specifications. Performance Model. 1984 Buick Grand National. Engine Used. 231ci/200hp. Zero to Sixty. 7.5 sec. Quarter Mile. 15.7 sec. The 1984 Buick Grand National served two purposes: first it showcased Buick’s new turbo charged 3.8 liter V6 engine and second it brought performance minded and youthful buyers into the Buick showrooms.
