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Datsun 320 (1961–1965) Technical Specs
Engine and Performance
- 1.2L Nissan E-1 I4: A cast-iron block and head with an overhead valve (OHV) pushrod configuration. It was designed for high-torque delivery at low RPM, making it ideal for utility work.
- Output: Delivers 60 hp @ 5,000 rpm and 67 lb-ft @ 3,600 rpm, which allowed for a top speed of roughly 75 mph (though rarely sustainable under load).
- Fueling: Utilized a single Nikki downdraft carburetor with a manual choke; the intake manifold featured a simple "hot spot" heated by exhaust gases to improve fuel atomization in cold weather.
Drivetrain and Transmission
- Transmission: A 4-speed manual gearbox; notably, the 1961–63 models featured a non-synchromesh first gear, requiring a "double-clutch" technique for smooth downshifting into low gear.
- Rear Axle: A semi-floating live rear axle with a 4.875:1 final drive ratio, engineered to maximize the limited torque of the 1.2L engine for climbing hills and carrying heavy loads.
- Clutch: A single dry plate with hydraulic actuation, providing a lighter pedal feel compared to the mechanical linkages found on contemporary European light trucks.
Chassis and Design
- Suspension: The 320 was advanced for its class, featuring an independent front suspension (IFS) with double wishbones and adjustable torsion bars, while the rear utilized heavy-duty longitudinal semi-elliptic leaf springs.
- Braking: Equipped with a single-circuit hydraulic system operating 9-inch drum brakes at all four corners; while simple, they provided adequate stopping power for the vehicle's sub-2,000 lb curb weight.
- Body Styles: Offered in three main configurations: the standard pickup (320), the long-wheelbase version (L320), and the rare "Sports Pickup" (NL320) which featured an integrated bed and cab for a more car-like silhouette.
Dimensions
- Wheelbase: 87.4 inches (2,220 mm) for the standard model.
- Overall Length: 147.4 inches (3,745 mm).
- Curb Weight: Approximately 1,950 lbs (885 kg).