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Chevrolet Impala SS427


Chevrolet Impala SS427

Chevrolet marketed their new-for-1967 Impala 427 with the slogan 'For the man who'd buy a sports car if it had this much room'. The theory was good, and by dropping in the big-block engine from the Corvette, the result was impressive. The engine had been released the year before and from the outset the famous 'Rat' motor was designed to produce big numbers. Staggered valves in the heads created better flow and power (at the cost of size and weight), while the torque was staggering which made hauling along the Impala easy. The Impala used a wider front track than early 1960s models and, because of thel967 fastback coupe shape, the bodyshell was required to be very strong, which also helped handling. The SS also had superior rear-axle location with four, rather than three, links, making it one of the best-handling large muscle cars. The SS model was retired in 1968.

Chevrolet Impala SS427 Specifications

Top speed:132 mph (211 km/h)
0-60 mph (0-95 km/h):7.1 sec
Engine type:V8
Displacement:454 ci (7,439 cc)
Transmission:3-speed auto
Max power:360 bhp (269 kW) @ 4,400 rpm
Max torque:500 lb ft (677 Nm) @ 3,200 rpm
Weight:3,860 lb (1,755 kg)
Economy:11.5 mpg (4.1 km/I)
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