Datsun Sunny 1000 B10 

Country of manufacture	Japan
Production	April 1966 to  January 1970
Seats	5 people
Body type	2/4 -door sedan  2 -door coupe 2-door light van estate Pickup truck
Engine position	front
Drive system	rear wheel drive
Engine	A10 type 1.0L straight 4 OHV
Transmission	3-speed AT Floor-type 4-speed MT Column-type 3-speed MT
Wheelbase	2,280mm
Length	3,820mm
Width	1,445mm
Height	1,345mm
Vehicle weight	645kg

Datsun 1000 Sunny B10 was a car built from 1966 to 1970 by Datsun in Japan.

History

It was initially released as a 2-door sedan. The design of the lightweight monocoque body, which was assembled with a small number of parts by making effective use of large- sized pressed materials, along with the size and front wheel suspension structure using horizontal leaf springs.

Body types were sequentially 5 seats with front seats separate with reclining backrests.The line-up will consist of a total of five body types a 2 and 4-door sedan, the 2-door coupe in February 1968 saw the release of the new coupé Marketed as the "Sunny Coupé" in Japan and in Australia, where it was marketed as the "Datsun 1000 Coupé", it was available in a wide variety of levels from Standard, to Grand Luxe the distribution of weight for the coupe was 56% at front axle, and 44% to rear axle. Total horsepower in the 1968 model was claimed to be 62 hp (46 kW) at 6,000 rpm. The engine displacement was kept below 1.0-litre to keep it in the lowest Japanese road tax bracket and encourage sales. 2-door light van, and truck.

PERFORMANCE: 2-door Coupe

• engine capacity: 60.29 cu in, 988 cu cm
  fuel consumption: 36.2 m/imp gal, 30.1 m/US gal, 7.8 1 x 100 km
• max speed: 87 mph, 140 km/h
• max power (SAE): 60 hp at 6,000 rpm
• max torque (DIN): 59 1b ft. 8.2 kg m at 4,000 rpm
• max engine rpm: 6,000
• specific power: 60.7 hp/l
• power-weight ratio: 24.7 lb/hp, 11.2 kg/hp
• acceleration: standing 1/4 mile 18.4 sec

PERFORMANCE: 4-door Sedan

• max power (SAE) 62 hp at 6,000 rpm
• max torque (SAE) 62 1b ft, 8.5 kg m at 4,000 rpm
• 62.7 hp/l specific power
• power-weight ratio 23.6 lb/hp, 10.7 kg/hp
• max speed 84 mph, 135.2 km/h

 The in-line 4-cylinder A-type engine developed for the first-generation with a total displacement of 988 cc and a four-speed gearbox. The Sunny performed well and continued to be made over the next 30 years while undergoing improvements, earning it a reputation as a masterpiece engine (originally a 1,000cc high-camshaft engine). Not only was it a lightweight, simple, and well-balanced economic engine, but it also had good characteristics such as flexibility in the low rpm range and light revving up to high revs, and had high potential for tuning as a racing engine. The crankshaft was originally a 3-bearing type specification, but later it was strengthened with a 5-bearing.

Production volume of the first generation was 447,031 units 

Updates

• February 19, 1966 - Sunny's car name presentation will be held at the Metropolitan Gymnasium (at that time) in Sendagaya , Tokyo. Yoshisuke Ayukawa , the founder of Nissan, was present at the event.
• April 23, 1966-B10 type Sunny 2-door sedan is on sale. The car name at the time of release is " Datsun Sunny " (the car name on the vehicle inspection certificate is also "Datsun"). The original grade consisted of two grades, "Standard" and "DX", and the transmission was set only for one type of column shift 3-speed MT.
• April 1967-4-door sedan released. A 4-speed MT/ floor shift "Sports" series and a 3-speed AT model for the first time in its class were added to the "DX”.
• July 1967 - First minor change.
• March 1968 - Added a fastback style 2 -door coupe (KB10 type). The luggage compartment is a trunk -through type that supports leisure use.
• October 1968 - Minor change. Add orange to the tail lamp and make the brake and turn signal independent.
• August 1969 - Partially improved. Along with this, the advanced grade "GL" was set.