547 buick grand national gnx were made.
how many buick grand national gnx were made?
547
for the final year, 1987, buick introduced the limited production gnx, for "grand national experimental", at $29,900. made in partnership with mclaren performance technologies/asc, buick produced only 547 gns with the interior trim package, that were then sent off to mclaren and upgraded into the buick gnx. buick underrated the gnx at at 4400 rpm and a very substantial at 3000 rpm of torque, although actual output is and . this was created to be the "grand national to end all grand nationals." changes made included a special garrett airesearch t-3 turbocharger with a ceramic-impeller blowing through a more efficient and significantly larger capacity intercooler with a "cermatel (ceramic-aluminum) coated" pipe connecting the intercooler to the engine. a gnx specific e-eprom, low-restriction exhaust with dual mufflers, reprogrammed turbo hydramatic 200-4r transmission with a custom torque converter and transmission cooler, and unique differential cover/panhard bar included more of the performance modifications. exterior styling changes include vents located on each front fender, 16 inch black mesh style wheels with vr-speed rated tires, and deletion of the hood and fender emblems. the interior changes of the gnx included a serial number on the dash plaque and a revised instrument cluster providing stewart-warner analog gauges, including an analog turbo boost gauge. performance was measured faster than the ferrari f40 and the porsche 930 with a  time of 12.7 seconds at (0.3 and 0.8 seconds quicker, 2.9 and faster) and a 0- time of 4.6 seconds (0.4 and 0.3 seconds quicker, respectively).
buick regal
the turbo 3.8 liter was used in the following vehicles:





























bullet::::- 1978–1987 buick regal sport coupe, t-type, "grand national", base t, limited t, turbo t, and gnx





























bullet::::- 1978–1980 buick lesabre sport coupe





























bullet::::- 1979–1980 buick century turbo coupe & sedan





























bullet::::- 1979–1985 buick riviera "s-type", "t-type" and less than 100 convertibles





























bullet::::- 1980–1981 chevrolet monte carlo





























bullet::::- 1989 pontiac trans am "turbo"





























the turbocharged 1987 buick regal "grand national gnx" was called america's quickest automobile, and the model continues to be collected and appreciated today.





























section::::fireball v6.:lc9.
buick v6 engine