For Sale: 1987 Buick Grand National in West Chester, Pennsylvania for sale in West Chester, PA

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Vehicle Description The standard 1987 Grand National 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.
These included performance upgrades to amplify the potency of this motor even further, as well as several suspension, interior, and exterior upgrades.
The GNX was one of the world's fastest production cars at the time.
Specifically, the 3.
8 V6 received the following upgrades:
o New Garrett Hybrid turbo featuring a super-lightweight ceramic impeller o Maximum boost set to 15 psi o Special dynamic turbine shaft seals to reduce drag on the shaft o Redesigned turbine housing included contamination trap to keep solid particles from damaging the turbo internals o More efficient Garrett air-to-air intercooler with higher fin count for additional cooling capacity o Specially coated intercooler-to-engine pipe for a cooler and denser charge of air o Functional vents installed on the front fenders to pull heat away from the engine compartment o Beefed up TH200-4R transmission o Special front-mounted auxiliary oil cooler o Special turbocharger heat shield with exclusive GNX stamped design o Recalibrated Engine Control Module (ECM) specifically for the GNX.
o Better flowing dual exhaust with low restriction mufflers, also designed to clear the new suspension components This car has only 549 real miles interior still has all factory plastic coverings.
It is as delivered from the company McLaren that took stock Grand Nationals and modified them into the fabled GNX under GM authorization.
of 547 1987 GNXs built Unrestored with no paint work other than bumper filler panels.
( ALL GNXs have this ) all panels checked with paint meter.
Performance rear suspension Power steering Heavy duty battery Front disc brakes Power windows and locks Tungsten halogen headlamps Eagle Gatorback tires 16 inch aluminum wheels Fully documented with the original window sticker Completely Numbers matching car $179900.
  • Year: 1987
  • Make: Buick
  • Model: Grand National

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