1987 Buick GNX current version Unknown

Assetto-db rating
Car info
Car version N/A
Brand Buick
Class race
Power 276 bhp
Torque 488Nm
Weight 1608kg

For the final year 1987 Buick introduced the Limited Production GNX Grand National Experimental at $29,900 Produced by McLaren Performance Technologies/ASC Buick produced 547 with the Grand National interior trim Package They were then sent off to McLaren Performance Technologies and upgraded into the Buick GNX Buick underrated the GNX at 276 hp and a very substantial 360 lbft of torque This was created to be the Grand National to end all Grand Nationals Changes made included a special Garrett T-3 turbocharger with a ceramic-impeller blowing through a more efficient and significantly larger capacity intercooler with a CERMATEL 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 analog Stewart Warner gauges including an analog turbo boost gauge Performance was measured with a quarter mile time of 13.2 seconds at 104 mph and a 0-60 mph time of 4.3 seconds. GNX #001 is the 1986 prototype currently owned by Buick and sometimes makes appearances at car shows around the US. The GNX used a unique torque arm that was mounted to a special GNX only rear differential cover for increased traction The torque arm rear suspension alters the suspension geometry making the body lift while planting the rear tires down resulting in increased traction

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