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Chevrolet Impala (1958)


Chevrolet Impala (1958)

Following on from the successful Tri-Chevys' of 1955-1957 was tough but Chevrolet did a fine job with the 1958 Impala. It was the first they'd used the name on any cars in their range, though it was a new model supplementing the regular Bel Air, Biscayne and Delray variants. They wanted a lower look for 1958 and this required a new chassis of X-frame design with the main rails joined in the middle. Because of the lack of connection to the body sides, more mounting points were needed to the body elsewhere, and this improved structural rigidity a lot. The car ran a new W-Series engine initially designed for light truck duty. It was relatively compact and made 250bhp (186kW), though if fitted with the triple carb option could muster 315bhp (234kW). Also optional was air suspension with four rubber bellows replacing the sprigs and running off a self-levelling compressor, which was self levelling.

Chevrolet Impala (1958) Specifications

Top speed:115 mph (184 km/h)
0-60 mph (0-95 km/h):10.5 sec
Engine type:V8
Displacement:348 ci (5,702 cc)
Transmission:3-speed auto
Max power:250 bhp (186 kW) @ 4,400 rpm
Max torque:355 lb ft (454 Nm) @ 2,800 rpm
Weight:3,459 lb (1,572 kg)
Economy:14 mpg (5 km/I)
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