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Buick Riviera Gran Sport

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Buick Riviera Gran Sport
Buick Riviera Gran Sport
Buick Riviera Gran Sport
Buick Riviera Gran Sport

Bigger and heavier for 1971, Buick's personal luxury coupe also got dramatic new styling - especially at the rear, which gave rise to its 'boat-tail' nickname.  Some saw it as the ultimate land yacht, but the GS model's 330 bhp made for fast, executive-style driving.

Type:  V8
Construction:  cast-iron block and cylinder heads
Valve gear:  2 valves per cylinder operated  by a single camshaft, pushrods and rockers
Bore & Stroke:  4.31in x 3.90in
Displacement:  455 cubic inch
Compression Ratio:  8.5:1
Induction System:  Rochester Quadrajet 4-barrel carb
Maximum Power:  330 bhp at 4,600 rpm
Maximum torque:  455 lb-ft at 2,800 rpm
GM TurboHydramatic 400 3-speed automatic
Steel-perimeter chassis with seperate 2-door coupe body
Running Gear
Steering:  Recirculating ball
Front suspension:  Unequal-length A-arms with coil springs, telescopic shock absorbers and stabilizer bar
Rear suspension:  Live axle with coil springs and telescopic shock absorbers
Brakes:  Discs front, Drums rear
Wheels:  7x15 steel
Tires:  G70-15in
Length:  217.4 inches
Width:  79.9 inches
Height:  56.4 inches
Wheelbase:  122.0 inches
Track:  60.4 inches
Weight:  4,325 lbs.

Production Years:

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