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The Complete Guide to Classic Datsun Cars and Trucks
1966 Datsun 520 Truck
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The 1966/1967 Datsun 520 went into production in late in 1966. 
 The 1966/1967 model 520 retained the same body and panels as the previous 520, but the biggest change was to it's grille design. The previous model had two headlights, while the new model 520 featured a quad headlight arrangement. The grille design also changed. The old 520 had a grille with 9 thin horizontal bars, the new grille has 6 horizontal bars, with the top and bottom bar being wider than the others. The only changes to the body was to the radiator support panel, which was altered to accomodate the extra headlights, and also in the cargo area the wheelarch wells now have tapered edges on the top instead of being a rectangular box shape. 
 The engine remains the same, using the J engine, which is a 1299cc 67hp OHV 4 cylinder engine. The gearbox is a 4 speed with synchros on all forward gears. This model was replaced in 1968 with another updated 520.
A sales brochure for the Datsun 520 truck.
 
1966 Datsun 520     
Specifications 
Length - 4280mm   
Width - 1575mm   
Height - 1545mm   
Wheelbase - 2530mm   
Weight - 960kg   
Top speed - 125kph  
Transmission - Column change 4 speed all synchro.
Engine Specifications 
Model - J   
Capacity - 1299cc   
Bore & Stroke 73x77mm   
Power - 67bhp@5200rpm   
Torque- 76ft/lb@2800rpm   
Compression - 8.2 : 1   
Carburettor - Nikki dual throat down draught  

Final drive - 4.875:1
 
Model Variations
 
Datsun 520 
The 520 was the standard truck version. It's cabin section was seperate to the cargo section, with about an inch gap between the two. It was also available as a cab/chassis version without the steel cargo section, which allowed the buyer to fit his own body. 
Datsun U520 
The U320 is a 4 seat version of the 520 with a smaller cargo area. It has a one piece body, the cabin and the cargo sections are joined together, there is no gap between them. 
The front bench seat has a one piece base and a 2 piece backrest. Each side of the backrest hinges both forward and towards the middle to allow access to the rear seat.
Datsun V520 
The V320 is a light van version of the N320.  
The V320 was marketed as either a light van, a delivery van or as a heavy duty station wagon. It had seating for 5 people, but the reat bench seat would fold down to give it a full length flat cargo area.  
It was similar in appearance to the WP410/WP411 Datsun Bluebird Wagon of the same era. The Bluebird Wagon had 5 doors and was based on the lighter sedan chassis with double wishbone front suspension. The V520 was a 3 door that was based on the 520 chassis, giving it the same height adjustable torsion bar front suspension, and load carrying capacity, as the 520 Pickup. The ride quality and handling was not as good as the Bluebird Wagon though. It was avaialble with glass side windows and also as a panel van, as shown here.  
The front bench seat has a one piece base and a 2 piece backrest. Each side of the backrest hinges both forward and towards the middle to allow access to the rear seat.
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