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Pontiac Trans Am SD455 (1974)


Pontiac Trans Am SD455 (1974)

If you wanted a muscle car of the old school in 1974, there was only one manufacturer who you could go to, and that was Pontiac. They offered the SD455 (Super Duty) in limited numbers (just 953 were made) but the car was built almost as if the fuel crisis had never happened. Underneath it used a raised transmission tunnel, so the body could be mounted lower on the suspension, thus improving the center of gravity for better handling, and the drive train was pure muscle, thanks to a 455ci (7.4-liter) with four-bolt main caps, forged pistons and a massive 800cfm Quadrajet carburettor. Inside it still looked 1970s, but it still showed the way dash layout was going, with a flat aluminium plate housing several dials for maximum driver information, plus a sporty three-spoke wheel. The car's performance meant the limited-slip differential and front disc brakes were much needed.

Pontiac Trans Am SD455 (1974) Specifications

Top speed:132 mph (211 km/h)
0-60 mph (0-96 km/h):5.4 sec
Engine type:V8
Displacement:455 ci (7,456 cc)
Transmission:3-speed auto
Max power:310 bhp (231 kW) @ 4,000 rpm
Max torque:390 lb ft (529 Nm) @ 3,600 rpm
Weight:3,655 lb (1,661 kg)
Economy:13 mpg (4.60 km/I)
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